Category:Bald Mountain Gold Mill

Media in category "Bald Mountain Gold Mill"

The following 189 files are in this category, out of 189 total.

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  GENERAL VIEW OF MILL FROM SOUTHEAST. PROMINENT ARE THE 100-TON STEEL CRUSHED UNOXIDIZED ORE BIN, CENTER LEFT; STEPHENS-ADAMSON 15 TON-HR INCLINED BUCKET ELEVATOR IN FRONT OF THE HAER SD,41-LEAD.V,1-22.tif 5,000 × 4,001; 19.08 MB
  
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  EAGLE MILL EXTERIOR FROM NORTHWEST, c. 1907. SHOWS INITIAL MILL CONFIGURATION WITH FULLY EXPOSED CRUDE ORE BIN CONCRETE RETAINING WALL, SINGLE (SOUTH) CRUDE ORE BIN, AND EXPOSED HAER SD,41-LEAD.V,1-1.tif 5,000 × 4,023; 19.19 MB
  
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  EAGLE MILL EXTERIOR FROM NORTHWEST, c. 1907. VIEW SIMILAR TO SD-2-1. CREDIT JW. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-2.tif 5,000 × 4,020; 19.17 MB
  
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  EAGLE MILL, DETAIL OF CRUDE ORE BIN FROM NORTH, c. 1908-10. SHOWS EXPOSED CRUSHER HOUSE IN FRONT OF (SOUTH) CRUDE ORE BIN AND SNOW SHED ADDED OVER TRAM TRACKS. NOTE LACK OF EAST HAER SD,41-LEAD.V,1-3.tif 5,000 × 4,043; 19.28 MB
  
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  HISTORIC AMERICAN ENGINEERING RECORD SUMMER RECORDING TEAM, 1992. LEFT TO RIGHT- JOE ELLIOTT, PHOTOGRAPHER; VIRGINIA BRUMBACK, ARCHITECT; DAVE EVE, HISTORIAN (ICOMOS, HAER SD,41-LEAD.V,1-164.tif 3,991 × 5,000; 19.03 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 1 of 13).png 17,634 × 13,632; 10.39 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 1 of 13).tif 17,634 × 13,632; 1.96 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 2 of 13).png 17,652 × 13,632; 11.64 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 2 of 13).tif 17,652 × 13,632; 2.47 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 3 of 13).png 17,630 × 13,632; 8.88 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 3 of 13).tif 17,630 × 13,632; 1.89 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 4 of 13).png 17,670 × 13,632; 8.53 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 4 of 13).tif 17,670 × 13,632; 1.92 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 5 of 13).png 17,634 × 13,632; 11.78 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 5 of 13).tif 17,634 × 13,632; 2.87 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 6 of 13).png 17,634 × 13,632; 9.08 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 6 of 13).tif 17,634 × 13,632; 2.05 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 7 of 13).png 17,646 × 13,632; 9.23 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 7 of 13).tif 17,646 × 13,632; 2.13 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 8 of 13).png 13,632 × 17,636; 10.55 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 8 of 13).tif 13,632 × 17,636; 2.11 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 9 of 13).tif 17,656 × 13,632; 2.92 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 10 of 13).png 17,630 × 13,632; 9.26 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 10 of 13).tif 17,630 × 13,632; 1.96 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 11 of 13).png 17,700 × 13,632; 8.21 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 11 of 13).tif 17,700 × 13,632; 1.58 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 12 of 13).png 17,644 × 13,632; 9.55 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 12 of 13).tif 17,644 × 13,632; 1.86 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 13 of 13).png 17,636 × 13,632; 6.68 MB
  
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  Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1- (sheet 13 of 13).tif 17,636 × 13,632; 1.23 MB
  
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  BALD MOUNTAIN MILL, EXTERIOR FROM NORTHEAST, c. 1940-59. ROASTER AND OTHER UNOXIDIZED ORE CIRCUIT ADDITIONS PRESENT, ALONG WITH SECONDARY THICKENER No. 7 AND ADDITIONS TO HAER SD,41-LEAD.V,1-11.tif 5,000 × 4,038; 19.26 MB
  
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  PORTLAND SCHOOLHOUSE FROM SOUTHEAST. LOCATED NORTHEAST OF PORTLAND HOISTHOUSE. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-124.tif 5,000 × 3,995; 19.05 MB
  
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  VIEW OF WAREHOUSE FROM SOUTHEAST. GABLED PORCH ROOF SHELTERS LIGHT TRAVELING CRANE FOR UNLOADING TRAM CARS. THE TRAM LINE PARALLELED THE PORCH AND RAN TO THE RIGHT OF THE ROAD. HAER SD,41-LEAD.V,1-109.tif 5,000 × 3,974; 18.95 MB
  
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  FORMER PORTLAND TOWN BUILDINGS MOVED TO HILL NORTH OF PORTLAND IN THE 1980s. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-125.tif 5,000 × 3,989; 19.02 MB
  
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  ORE BIN ON TRAM SPUR NORTH OF DECORAH MINE, VIEW FROM SOUTH. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-145.tif 5,000 × 3,940; 18.79 MB
  
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  ORE CARS ON TRAMLINE NORTH OF CLINTON MINE, VIEW FROM NORTH. SWITCH DIVERGES FOR PASSING TRACK LEADING TO PORTLAND MINE; CLINTON-EMPIRE-DECORAH LINE IN FOREGROUND. - Bald HAER SD,41-LEAD.V,1-152.tif 5,000 × 3,985; 19 MB
  
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  DETAIL OF TRAVELING CRANE TRUSS FROM NORTHEAST. TRUSS IS IN FRONT OF CRUSHED OXIDIZED ORE BIN. THE BARREN SOLUTION TANK IS JUST VISIBLE IN RIGHT BACKGROUND. - Bald Mountain Gold HAER SD,41-LEAD.V,1-63.tif 5,000 × 3,949; 18.83 MB
  
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  DETAIL OF DECORAH MINE PORTAL. NOTE 'PORTLAND' CAST IN CONCRETE ABOVE WOOD LINTEL. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, HAER SD,41-LEAD.V,1-147.tif 5,000 × 3,910; 18.65 MB
  
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  INTERIOR OF BOILER HOUSE, BOILER FROM SOUTHEAST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-122.tif 5,000 × 3,911; 18.65 MB
  
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  INTERIOR OF PILOT MILL FROM WEST, SECOND LEVEL. EQUIPMENT FRAME IN MIDDLE GROUND. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, HAER SD,41-LEAD.V,1-104.tif 4,012 × 5,000; 19.13 MB
  
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  INTERIOR OF PILOT MILL, DETAIL OF EQUIPMENT FRAME FROM SOUTHWEST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-105.tif 5,000 × 4,006; 19.1 MB
  
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  INTERIOR OF PILOT MILL, PARTIAL VIEW OF THIRD LEVEL FROM SOUTH. DRIVE SHAFT AND EQUIPMENT VISIBLE. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, HAER SD,41-LEAD.V,1-106.tif 5,000 × 4,017; 19.16 MB
  
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  INTERIOR, DECORAH MINE. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-148.tif 3,986 × 5,000; 19.01 MB
  
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  INTERIOR, PORTLAND FILTER FROM SOUTHEAST, PRE-1934. FILTERS WERE IN USE FROM 1918 TO 1934. CREDIT WR. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead HAER SD,41-LEAD.V,1-16.tif 5,000 × 4,014; 19.14 MB
  
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  INTERIOR, PORTLAND HOISTHOUSE. COMPRESSOR WING INTERIOR FROM NORTHWEST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-133.tif 5,000 × 3,945; 18.81 MB
  
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  INTERIOR, PORTLAND HOISTHOUSE. TRAM SPUR WITH CABLE SIDE ROLLER, FROM SOUTHEAST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, HAER SD,41-LEAD.V,1-132.tif 4,040 × 5,000; 19.27 MB
  
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  INTERIOR, PORTLAND HOISTHOUSE. VIEW DOWN SIDE TRAM SPUR IN SNOWSHED FROM SOUTHEAST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County HAER SD,41-LEAD.V,1-130.tif 4,033 × 5,000; 19.23 MB
  
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  INTERIOR, PORTLAND HOISTHOUSE. VIEW DOWN TRAM SNOWSHED IN DIRECTION OF MILL. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-129.tif 3,979 × 5,000; 18.98 MB
  
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  INTERIOR, PORTLAND HOISTHOUSE. VIEW OF TRAM WEDGE SNOWPLOW IN SNOWSHED SPUR, FROM SOUTHEAST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, HAER SD,41-LEAD.V,1-131.tif 5,000 × 3,952; 18.85 MB
  
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  VIEW NORTH TO MILL FROM SOUTH CRUDE ORE BIN. END OF CONCRETE RETAINING WALL VISIBLE AT RIGHT. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, HAER SD,41-LEAD.V,1-20.tif 3,982 × 5,000; 18.99 MB
  
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  VIEW OF CENTRAL SECTION OF MILL FROM NORTHEAST. LEVELS OF MILL VISIBLE IN ROOF LINES INCLUDE CRUSHED OXIDIZED ORE BIN (OPEN FRAMING, TOP CENTER), MILLING FLOOR (FIRST ROOF DOWN HAER SD,41-LEAD.V,1-27.tif 5,000 × 4,015; 19.15 MB
  
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  MILL APPROACH FROM EAST. THE TRAM LINE RANT TO THE RIGHT (NORTH) OF THE ROAD AND REACHED THE CRUDE ORE BINS AROUND THE FAR BEND. BUILDINGS FROM FRONT TO BACK ARE, ON RIGHT, OIL HAER SD,41-LEAD.V,1-110.tif 5,000 × 3,946; 18.82 MB
  
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  PILOT MILL CRUSHER FROM NORTHEAST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-103.tif 3,923 × 5,000; 18.71 MB
  
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  VIEW OF DECORAH MINE PORTAL FROM SOUTHEAST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-146.tif 5,000 × 3,993; 19.04 MB
  
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  PORTAL OF PORTLAND HOISTHOUSE. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-142.tif 5,000 × 3,943; 18.8 MB
  
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  PORTLAND FILTER FLOOR FROM SOUTHEAST. CYANIDE FEED TOWER TO SUMP, LOWER RIGHT QUADRANT. DIAGONAL PIPE IN UPPER RIGHT IS AIR LINE TO AGITATORS. LAUNDER PARALLEL TO LEFT EDGE HAER SD,41-LEAD.V,1-90.tif 5,000 × 3,959; 18.88 MB
  
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  PORTLAND HOIST FROM SOUTHWEST. WYE TO HOISTHOUSE IN ON THE RIGHT, COMPRESSOR WING ON THE LEFT. PORTLAND MINE PORTAL ON LOWER LEFT. - Bald Mountain Gold Mill, Nevada Gulch at HAER SD,41-LEAD.V,1-126.tif 5,000 × 3,952; 18.85 MB
  
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  PORTLAND HOISTHOUSE AND TRAM SNOWSHED FROM SOUTHEAST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-128.tif 5,000 × 4,004; 19.1 MB
  
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  PORTLAND HOISTHOUSE FROM SOUTH. SCHOOLHOUSE ABOVE AND TO RIGHT, POWERHOUSE AND TRAM SNOWSHED TO LEFT. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, HAER SD,41-LEAD.V,1-127.tif 5,000 × 4,032; 19.23 MB
  
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  PORTLAND HOISTHOUSE, COMPRESSOR WING INTERIOR AT PARTS BINS. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-137.tif 5,000 × 3,995; 19.05 MB
  
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  PORTLAND HOISTHOUSE, COMPRESSOR WING INTERIOR WITH MACHINERY FOUNDATION ALONG NORTHEAST WALL FROM NORTHWEST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom HAER SD,41-LEAD.V,1-136.tif 5,000 × 3,945; 18.81 MB
  
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  PORTLAND HOISTHOUSE, COMPRESSOR WING INTERIOR WITH MACHINERY FOUNDATIONS ALONG NORTHWEST WALL FROM SOUTHWEST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom HAER SD,41-LEAD.V,1-135.tif 3,956 × 5,000; 18.87 MB
  
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  PORTLAND HOISTHOUSE, HOIST CABLE PULLEY AT NORTH SIDE OF SOUTH WYE LEG. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-141.tif 5,000 × 3,918; 18.69 MB
  
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  PORTLAND HOISTHOUSE, TRAM SNOWSHED BEYOND COMPRESSOR WING LOOKING TOWARD MINE PORTAL. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence HAER SD,41-LEAD.V,1-139.tif 5,000 × 3,960; 18.89 MB
  
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  PORTLAND HOISTHOUSE, TRAM SNOWSHED OUTSIDE OF COMPRESSOR WIND LOOKING TOWARD MINE PORTAL. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence HAER SD,41-LEAD.V,1-138.tif 5,000 × 3,931; 18.75 MB
  
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  PORTLAND HOISTHOUSE, TRAM SNOWSHED OUTSIDE PORTAL WITH TWIN SIDE CABLE ROLLER. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-140.tif 5,000 × 3,898; 18.59 MB
  
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  PORTLAND HOISTHOUSE, VIEW OF COMPRESSOR WING INTERIOR FROM SOUTH SHOWING COMPRESSOR AND TANK. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, HAER SD,41-LEAD.V,1-134.tif 5,000 × 4,082; 19.47 MB
  
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  VIEW OF PRIMARY MILL No. 2 CRUSHED ORE FEED AND 18 INCH BELT CONVEYOR FROM EAST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-66.tif 3,944 × 5,000; 18.81 MB
  
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  PRIMARY MILL AND CLASSIFIER No. 2 FROM NORTHWEST. MILL DISCHARGED INTO LAUNDER WHICH PIERCED THE SIDE OF THE CLASSIFIER PAN. WOOD LAUNDER WITHIN CLASSIFIER VISIBLE (FILLED WITH HAER SD,41-LEAD.V,1-70.tif 5,000 × 3,982; 18.99 MB
  
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  REFINERY FOUNDATIONS FROM NORTHWEST. DRYING OVEN REMAINS ARE OF FIREBRICK. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-99.tif 5,000 × 3,945; 18.81 MB
  
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  SECONDARY MILL AND CLASSIFIER FROM NORTHEAST. NOTE STONE-CONCRETE RETAINING WALL TRANSITION AT RIGHT, BARREN SOLUTION PIPE FROM BARREN SOLUTION TANK, TOP CENTER, AND JOISTS FOR HAER SD,41-LEAD.V,1-75.tif 5,000 × 4,008; 19.11 MB
  
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  SECONDARY MILL AND CLASSIFIER FROM NORTHWEST. WOOD FEED BOX BEHIND MILL, BARREN SOLUTION TANK BEHIND TRAVELING CRANE TRUSS AND ABOVE MILL. - Bald Mountain Gold Mill, Nevada HAER SD,41-LEAD.V,1-72.tif 3,897 × 5,000; 18.59 MB
  
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  SECONDARY THICKENER No. 3 FROM SOUTH. ONLY TANK JOISTS AND MECHANISM REMAINING. NOTE FEED PIPE ENTERING VIEW, MIDDLE LEFT, AND DISCHARGING INSIDE FEEDWELL. LAUNDER SUSPENDED AT HAER SD,41-LEAD.V,1-81.tif 3,944 × 5,000; 18.81 MB
  
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  TRAMLINE TO TWO JOHNS MINE, MIDWAY BETWEEN MILL AND HOISTHOUSE. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-156.tif 3,963 × 5,000; 18.9 MB
  
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  TROJAN MILL, DETAIL OF CRUDE ORE BINS FROM NORTH, c. 1912. SHOWS TIMBER FRAMING UNDER CONSTRUCTION FOR EAST AND WEST CRUDE ORE BINS AT PREVIOUS LOCATION OF CRUSHER HOUSE, AND HAER SD,41-LEAD.V,1-4.tif 5,000 × 4,034; 19.24 MB
  
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  TROJAN MILL, EXTERIOR FROM EAST, c. 1919-28. ADDITION TO THE EAST END OF MILLING FLOOR VISIBLE WITH TRAM ENTRY DOOR. ALSO SEEN ARE THE ADDITIONS FOR MILL SOLUTION TANKS AND THE HAER SD,41-LEAD.V,1-10.tif 5,000 × 3,999; 19.07 MB
  
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  TROJAN MILL, EXTERIOR FROM NORTHWEST, c. 1918-28. ADDITIONS FOR PRIMARY THICKENERS No. 1 AND No. 2, SECONDARY THICKENERS No. 1, No. 2, AND No. 3, AGITATORS, AIR COMPRESSOR, AND HAER SD,41-LEAD.V,1-7.tif 5,000 × 4,011; 19.13 MB
  
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  TROJAN MILL, EXTERIOR FROM NORTHWEST, c. 1918-28. WINTER SNOW SHOWS LINE OF CRUDE ORE BIN STAIR. CREDIT JW. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, HAER SD,41-LEAD.V,1-9.tif 5,000 × 4,019; 19.17 MB
  
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  TROJAN MILL, EXTERIOR FROM WEST, c. 1918-28. SHOWS SITE WITH ALL SUPPORTING BUILDINGS. CREDIT JW. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, HAER SD,41-LEAD.V,1-8.tif 5,000 × 3,988; 19.02 MB
  
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  TROJAN MILL, INTERIOR SHOWING PRIMARY MILL No. 1 (ALLIS CHALMERS BALL MILL) FROM EAST, c. 1919. ELECTRIC MOTOR AND DRIVE SHAFT CLEARLY VISIBLE. CREDIT WR. - Bald Mountain Gold HAER SD,41-LEAD.V,1-13.tif 5,000 × 4,027; 19.2 MB
  
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  TROJAN MILL, INTERIOR SHOWING PRIMARY MILL No. 1 (MONADNOCK CHILEAN) FROM EAST, c. 1912. ELEVATOR No. 1 ADJACENT TO MILL. CREDIT WR. - Bald Mountain Gold Mill, Nevada Gulch at HAER SD,41-LEAD.V,1-12.tif 3,984 × 5,000; 19 MB
  
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  TROJAN MILL, PRIMARY THICKENER No. 1 FROM WEST, c. 1914. TANK BARREL IS COMPLETE, BUT ADDITION ENCLOSURE NOT YET BEGUN. SAMPLING ADDITION SOUTH OF CRUSHED ORE BIN (CHANGE OF HAER SD,41-LEAD.V,1-5.tif 3,978 × 5,000; 18.97 MB
  
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  TROJAN MILL, PRIMARY THICKENER No. 1 FROM WEST, c. 1914. TANK COMPLETED PRIOR TO ADDITION OF ENCLOSURE. ADDITION FOR BARREN SOLUTION TANK JUST VISIBLE BETWEEN THICKENER AND HAER SD,41-LEAD.V,1-6.tif 5,000 × 3,970; 18.93 MB
  
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  TWO JOHNS HOISTHOUSE, DETAIL OF SOUTHWEST CORNER. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-159.tif 3,982 × 5,000; 18.99 MB
  
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  UPSIDE-DOWN SWITCH ALONG TRAMLINE NORTH OF BRANCH TO AJAX-ALASKA LINE, VIEW FROM NORTH. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence HAER SD,41-LEAD.V,1-153.tif 3,943 × 5,000; 18.8 MB
  
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  VACUUM CLARIFIER TANK No. 1 FROM NORTHWEST. NOTE FILTER LEAVES. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-94.tif 3,928 × 5,000; 18.73 MB
  
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  VIEW FROM ABOVE OF PRIMARY MILL AND CLASSIFIER No. 2. PRIMARY CLASSIFIER No. 1 AT RIGHT EDGE OF VIEW. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead HAER SD,41-LEAD.V,1-69.tif 5,000 × 3,980; 18.98 MB
  
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  VIEW FROM CRUSHED OXIDIZED ORE BIN WEST TO THICKENER ADDITIONS. SHAFT OF PRIMARY THICKENER No. 1 AT CENTER, WITH PRIMARY THICKENER No. 2 ABOVE AND TO THE LEFT. INTACT THICKENER HAER SD,41-LEAD.V,1-34.tif 5,000 × 3,966; 18.91 MB
  
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  VIEW FROM EAST, TRAM TRESTLE FROM TWO JOHNS LINE TO SOUTH CRUDE ORE BIN. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-21.tif 4,050 × 5,000; 19.31 MB
  
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  VIEW FROM NORTH OF TRAM EAST OF TWO JOHNS MINE. LINE COMES FROM HOISTHOUSE (UPPER LEFT) AND LEADS TOWARD MINE (LOWER RIGHT). BRANCH TO RIGHT LEADS TO ROCK DUMP. - Bald Mountain HAER SD,41-LEAD.V,1-162.tif 5,000 × 3,943; 18.8 MB
  
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  VIEW FROM NORTHEAST OF DISCHARGE SIDE OF ORE BIN, MIDWAY BETWEEN AJAX-ALASKA LINE AND MILL. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, HAER SD,41-LEAD.V,1-154.tif 5,000 × 3,966; 18.91 MB
  
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  VIEW FROM NORTHEAST OF LAUNDER FROM BAKER COOLER TO MILLING. LAUNDER PIERCES THE SOUTH FOUNDATION WALL BETWEEN MILL SOLUTION TANKS No. 1 AND No. 2. - Bald Mountain Gold Mill, HAER SD,41-LEAD.V,1-61.tif 3,981 × 5,000; 18.99 MB
  
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  VIEW FROM NORTHEAST OF LOADING SIDE OF ORE BIN, MIDWAY BETWEEN AJAX-ALASKA LINE AND MILL. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence HAER SD,41-LEAD.V,1-155.tif 5,000 × 3,979; 18.98 MB
  
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  VIEW FROM NORTHEAST OF SECONDARY CLASSIFIER, UNDERSIDE OF BOWL WITH DISCHARGE PIPE. ALSO NOTE WOOD LAUNDER AND DISCHARGE PIPE CUTTING ACROSS TOP OF VIEW. - Bald Mountain Gold HAER SD,41-LEAD.V,1-77.tif 5,000 × 4,048; 19.31 MB
  
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  VIEW FROM NORTHWEST OF SUPPORT FRAMING, PRIMARY THICKENER No. 2. THICKENER DISCHARGE PIPE JUST VISIBLE EXITING AT RIGHT BORDER, 1-4 INCH UP FROM BOTTOM. - Bald Mountain Gold HAER SD,41-LEAD.V,1-80.tif 4,032 × 5,000; 19.23 MB
  
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  VIEW FROM SOUTH OF SWITCH NORTH OF CLINTON MINE. SWITCH LEADS FROM PORTLAND MINE AND DIVERGES FOR PASSING TRACK ON WAY TO MILL. - Bald Mountain Gold Mill, Nevada Gulch at head HAER SD,41-LEAD.V,1-149.tif 5,000 × 4,028; 19.21 MB
  
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  VIEW FROM SOUTHWEST TO CORNER WHERE SAMPLING-CRUSHING ADDITIONS ABUT CRUSHED OXIDIZED ORE BIN. INTACT BARREN SOLUTION TANK VISIBLE IN FRONT OF CRUSHED ORE BIN. - Bald Mountain HAER SD,41-LEAD.V,1-31.tif 3,972 × 5,000; 18.94 MB
  
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  VIEW FROM WEST OF DUST COLLECTOR BLOWER LOCATED AT CRUSHED OXIDIZED ORE BIN FEED LEVEL. THE ROASTER IS BEYOND AND THE MACHINE SHOP IS ON THE TRAM TERRACE, UPPER RIGHT. - Bald HAER SD,41-LEAD.V,1-49.tif 5,000 × 4,024; 19.19 MB
  
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  VIEW NORTH FROM EAST CRUDE ORE BIN TO CRUSHER ADDITION AND CRUSHED OXIDIZED ORE BIN. VISIBLE ARE DINGS MAGNETIC PULLEY (CENTER), THE 100-TON STEEL CRUSHED UNOXIDIZED ORE BIN, HAER SD,41-LEAD.V,1-37.tif 4,042 × 5,000; 19.28 MB
  
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  VIEW NORTH FROM EAST CRUDE ORE BIN TO CRUSHER ADDITION. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-40.tif 3,944 × 5,000; 18.81 MB
  
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  VIEW NORTH OF UPPER LEVEL OF CRUSHER ADDITION. DINGS MAGNETIC PULLEY AT CENTER. ALSO SHOWS 100-TON CRUSHED UNOXIDIZED ORE BIN (RIGHT), PULLEY FORM 18 INCH BELT CONVEYOR CRUSHED HAER SD,41-LEAD.V,1-41.tif 3,959 × 5,000; 18.88 MB
  
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  VIEW OF AGITATORS FROM EAST. DRIVE AND STRUCTURAL SUPPORT OF AGITATOR No. 1 IN FOREGROUND. HORIZONTAL AIR LINE PARALLELS AGITATORS IN RIGHT HALF OF VIEW. - Bald Mountain Gold HAER SD,41-LEAD.V,1-82.tif 4,006 × 5,000; 19.1 MB
  
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  VIEW OF AIR COMPRESSOR ROOM FROM NORTHWEST (ON SUMP LEVEL). COMPRESSOR No. 1 IN FOREGROUND; No. 2 TO REAR. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, HAER SD,41-LEAD.V,1-88.tif 5,000 × 4,005; 19.1 MB
  
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  VIEW OF BOILER FROM NORTHEAST. DOCUMENTATION PHOTOGRAPHS - MINE HEADS AND TRAMWAYS - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, HAER SD,41-LEAD.V,1-123.tif 5,000 × 3,920; 18.69 MB
  
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  VIEW OF BOILER HOUSE FROM SOUTH, SHOWING TRAM COAL DELIVERY ENTRY. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-121.tif 5,000 × 3,907; 18.63 MB
  
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  VIEW OF BOILER HOUSE FROM SOUTHWEST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-120.tif 5,000 × 3,927; 18.73 MB
  
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  VIEW OF CENTRAL SECTION OF MILL FROM NORTH. COMPRESSOR ROOM BELOW PRECIPITATION FLOOR IS VISIBLE AT LOWER LEFT; THE SECONDARY THICKENER ADDITION IS TO THE RIGHT WITH SECONDARY HAER SD,41-LEAD.V,1-28.tif 5,000 × 4,029; 19.21 MB
  
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  VIEW OF CORNER OF PILOT MILL FROM NORTHWEST. ROASTER AND ROASTER DRIVE SHAFT UNDER CUPOLA. TANK VISIBLE ON LEVEL ABOVE. THE TOP LEVEL WAS FOR MILLING. - Bald Mountain Gold Mill HAER SD,41-LEAD.V,1-101.tif 5,000 × 3,989; 19.02 MB
  
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  VIEW OF CRUDE ORE BINS FROM EAST. EAST CRUDE ORE BIN IN FOREGROUND WITH DISCHARGE TO GRIZZLY AT BOTTOM OF VIEW. CONCRETE RETAINING WALL TO LEFT (SOUTH) AND BOTTOM (EAST EDGE OF HAER SD,41-LEAD.V,1-19.tif 3,987 × 5,000; 19.01 MB
  
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  VIEW OF CRUDE ORE BINS FROM WEST. WEST CRUDE ORE BIN AND TRESTLE FROM TWO JOHNS TRAMLINE TO SOUTH, CRUDE ORE BIN IN FOREGROUND. MACHINE SHOP IN BACKGROUND. THE TRAM TO PORTLAND HAER SD,41-LEAD.V,1-18.tif 5,000 × 3,976; 18.96 MB
  
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  VIEW OF CRUSHED OXIDIZED ORE BIN FROM EAST. SHOWS ACCESS STAIR TO FEED LEVEL; DUST COLLECTOR ON LEFT. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead HAER SD,41-LEAD.V,1-53.tif 3,989 × 5,000; 19.02 MB
  
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  VIEW OF CRUSHER ADDITION FROM EAST. SHOWS 100-TON STEEL UNOXIDIZED ORE BIN, STEPHENS-ADAMSON 15 TON-HR INCLINED BUCKET ELEVATOR, AND DUST COLLECTION BIN IN UPPER RIGHT QUADRANT. HAER SD,41-LEAD.V,1-50.tif 5,000 × 3,981; 18.99 MB
  
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  VIEW OF CRUSHER ADDITION FROM EAST. SHOWS BAKER COOLER AT LOWER LEFT, AND FOUNDATIONS FOR ROD MILL BETWEEN COOLER AND STEPHENS-ADAMSON INCLINED BUCKET ELEVATOR. THE BELT HAER SD,41-LEAD.V,1-51.tif 3,977 × 5,000; 18.97 MB
  
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  VIEW OF CRUSHER ROOM FROM NORTH. NOTE CRUDE ORE BIN FRAMING. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-39.tif 3,901 × 5,000; 18.6 MB
  
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  VIEW OF CRUSHER ROOM FROM NORTH. THE CRUSHER IS MISSING, BUT THREE GRIZZLIES AND THE FEED GATE FROM THE SOUTH ORE BIN ARE STILL VISIBLE. PULLEY AT BOTTOM OF THE VIEW IS THE HAER SD,41-LEAD.V,1-38.tif 3,993 × 5,000; 19.04 MB
  
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  VIEW OF DUST COLLECTOR AND CRUSHED OXIDIZED ORE BIN FROM EAST. THE DUCTWORK TO TOP OF COLLECTOR (OPEN END, MIDDLE LEFT) CONNECTED TO HOODS OVER SYMONS SCREEN, ROD MILL, AND HAER SD,41-LEAD.V,1-52.tif 3,974 × 5,000; 18.95 MB
  
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  VIEW OF EAST END OF MILL. THE FOUR GENERAL LEVELS OF THE MILL ARE SHOWN STEPPING DOWN THE HILLSIDE FROM SOUTH TO NORTH. THE 100-TON STEEL ORE BIN AND STEPHENS-ADAMSON 15TON HAER SD,41-LEAD.V,1-23.tif 5,000 × 3,971; 18.94 MB
  
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  VIEW OF FEED LEVEL, CRUSHED OXIDIZED ORE BIN FROM EAST. THE 18 INCH BELT CONVEYOR FEED IS AT CENTER, WITH DRIVE GEAR. THE 16 INCH FINES FEED IS IN THE BACKGROUND AND 18 INCH HAER SD,41-LEAD.V,1-47.tif 5,000 × 4,041; 19.27 MB
  
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  VIEW OF FRAMING BENT BETWEEN SECONDARY THICKENER No. 3 AND PRIMARY THICKENER No. 2 FROM WEST. NOTE MECHANISM ON PRIMARY No. 2 ON LEFT, BARREN SOLUTION FEED PIPE AT LOWER RIGHT. HAER SD,41-LEAD.V,1-36.tif 3,990 × 5,000; 19.03 MB
  
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  VIEW OF INTERIOR OF CRUSHED OXIDIZED ORE BIN. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-48.tif 3,999 × 5,000; 19.07 MB
  
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  VIEW OF MACHINE SHOP FROM EAST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-111.tif 5,000 × 4,028; 19.21 MB
  
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  VIEW OF MACHINE SHOP FROM NORTHEAST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-112.tif 5,000 × 4,004; 19.1 MB
  
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  VIEW OF MACHINE SHOP FROM WEST. AREA IN FOREGROUND WAS ONCE ENCLOSED AS PART OF THE SHOP. THE TRAM LINE AND SNOWSHED RAN TO THE RIGHT (SOUTH) TO EAGLE MINE PORTAL. - Bald HAER SD,41-LEAD.V,1-113.tif 5,000 × 3,998; 19.07 MB
  
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  VIEW OF MILL FLOOR FROM WEST. SECONDARY MILL IN LOWER CENTER; BARREN SOLUTION TANK AT MIDDLE RIGHT. PAIRED PIPES AT TOP OF VIEW RUN FROM PRIMARY PULP PUMPS ON LEFT TO PRIMARY HAER SD,41-LEAD.V,1-71.tif 4,015 × 5,000; 19.15 MB
  
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  VIEW OF MILL FROM NORTHEAST. SUMP LEVEL UNDER PRECIPITATION FLOOR VISIBLE IN CENTER. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County HAER SD,41-LEAD.V,1-26.tif 5,000 × 3,976; 18.96 MB
  
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  VIEW OF MILL FROM UPPER TAILINGS POND (NORTH). ROASTER ON LEFT WITH ELEVATOR-CRUSHED ORE BIN TOWER TO RIGHT. MAIN MILL BUILDING IN CENTER WITH THICKENER ADDITION TO RIGHT. HAER SD,41-LEAD.V,1-24.tif 5,000 × 3,962; 18.89 MB
  
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  VIEW OF MILL FROM UPPER TAILINGS POND. SHOWS ROASTER ON LEFT EDGE OF VIEW. THE SECONDARY THICKENER No. 7 IS OFF VIEW TO THE RIGHT. - Bald Mountain Gold Mill, Nevada Gulch at HAER SD,41-LEAD.V,1-25.tif 5,000 × 3,951; 18.84 MB
  
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  VIEW OF MILL FROM WEST. SECONDARY THICKENER No. 7 JOISTS AND CENTRAL MECHANISM IN FOREGROUND. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, HAER SD,41-LEAD.V,1-30.tif 5,000 × 4,076; 19.44 MB
  
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  VIEW OF MILL FROM WEST. SHOWS SECONDARY THICKENER No. 7 TANK FLOOR FRAMING AND CENTRAL MECHANISM AT CENTER. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek HAER SD,41-LEAD.V,1-29.tif 5,000 × 3,999; 19.07 MB
  
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  VIEW OF MILL SOLUTION PUMP No. 2 FROM SOUTHEAST. SUMPS ARE UNDER FLOOR, BEYOND. STAIR LEADS TO AGITATOR-GOLD TANK ACCESS PLATFORM. - Bald Mountain Gold Mill, Nevada Gulch at HAER SD,41-LEAD.V,1-97.tif 3,996 × 5,000; 19.06 MB
  
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  VIEW OF MILL SOLUTION TANKS FLOOR FROM WEST. THE BOTTOM OF MILL SOLUTION TANK No. 1 IS IN THE LOWER RIGHT QUADRANT UNDER A PILE OF SOLUTION SEDIMENT. JOISTS OF TANK No. 2 ARE HAER SD,41-LEAD.V,1-62.tif 4,010 × 5,000; 19.12 MB
  
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  VIEW OF MILLING FLOOR FROM SOUTHEAST. SECONDARY MILL AND CLASSIFIER AT MIDDLE LEFT. PRIMARY MILL SURGE TANK AND LAUNDERS AT MIDDLE BOTTOM. STAIR TO TROJAN CLASSIFIER LEVEL HAER SD,41-LEAD.V,1-68.tif 5,000 × 4,030; 19.22 MB
  
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  VIEW OF PILOT MILL FROM WEST. CUPOLA IS OVER ROASTER. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-100.tif 5,000 × 4,002; 19.09 MB
  
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  VIEW OF PILOT MILL INTERIOR, MILLING LEVEL FROM WEST. BALL MILL FOUNDATION IN FOREGROUND, SLOPED CLASSIFIER BED AND CALCINE BIN ADJACENT, WITH CRUSHER IN BACKGROUND. - Bald HAER SD,41-LEAD.V,1-102.tif 5,000 × 4,010; 19.12 MB
  
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  VIEW OF PILOT MILL ROASTER FROM SOUTHWEST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-108.tif 5,000 × 3,999; 19.07 MB
  
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  VIEW OF PORTLAND FILTER VACUUM RECEIVER FROM NORTHWEST. AGITATORS No. 4 AND No. 5 VISIBLE IN BACKGROUND. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, HAER SD,41-LEAD.V,1-91.tif 3,930 × 5,000; 18.74 MB
  
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  VIEW OF PRECIPITATION AREA FROM SOUTHWEST. VACUUM CLARIFIER TANK No. 1 AT LOWER LEFT, UNDER LAUNDER FEED TO GOLD TANK No. 2, AND VACUUM CLARIFIER TANK No. 2, AT MIDRIGHT. VACUUM HAER SD,41-LEAD.V,1-92.tif 5,000 × 3,978; 18.97 MB
  
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  VIEW OF PUMPS FROM NORTH. MILL SOLUTION PUMP No. 2 IN FOREGROUND, ABANDONED BARREN SOLUTION PUMP BEYOND. AGITATOR No. 1 IN BACKGROUND. - Bald Mountain Gold Mill, Nevada Gulch at HAER SD,41-LEAD.V,1-98.tif 5,000 × 3,999; 19.07 MB
  
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  VIEW OF ROASTER ADDITION FROM NORTH. ELEVATOR-ORE BIN ADDITION TO RIGHT (WEST) WITH BAKER COOLER IN FRONT. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, HAER SD,41-LEAD.V,1-55.tif 5,000 × 3,961; 18.89 MB
  
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  VIEW OF ROASTER ADDITION FROM NORTH. ELEVATOR-ORE BIN TOWER WAS FED BY THE 14 INCH BELT CONVEYOR SUPPORTED ON BENT, LOWER RIGHT. THE ROTATING BAKER COOLER IS SUPPORTED BY A HAER SD,41-LEAD.V,1-56.tif 5,000 × 4,049; 19.31 MB
  
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  VIEW OF ROASTER ADDITION FROM SOUTHEAST. SHOWS ELEVATOR-ORE BIN ADDITION ON LEFT WITH BASE OF EXHAUST STACK, PORTION OF TOPPLED STACK ON LOWER RIGHT IN VIEW, AND UPPER TAILINGS HAER SD,41-LEAD.V,1-54.tif 5,000 × 3,978; 18.97 MB
  
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  VIEW OF ROASTER ADDITION FROM WEST, LOCATION OF SYMONS 3 BY 8 FEET VIBRATING SCREEN. SHOWS BAKER COOLER WITH DUST COLLECTOR DUCT AND DISCHARGE CHUTE ON LEFT. THE 14 INCH BELT HAER SD,41-LEAD.V,1-60.tif 5,000 × 4,048; 19.31 MB
  
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  VIEW OF SAMPLING ROOM FROM SOUTHEAST. TO LEFT, SAMPLING ELEVATOR AND IN CENTER, SAMPLE BINS WITH DISCHARGE CHUTE AND THREE LABELS. - Bald Mountain Gold Mill, Nevada Gulch at HAER SD,41-LEAD.V,1-46.tif 4,034 × 5,000; 19.24 MB
  
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  VIEW OF SECONDARY MILL AND MILL FLOOR FROM WEST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-73.tif 3,803 × 5,000; 18.14 MB
  
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  VIEW OF SECONDARY MILL FROM WEST. NOTE FOUNDATIONS AND PINION-ROPE PULLEY DRIVE. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-74.tif 5,000 × 4,028; 19.21 MB
  
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  VIEW OF SECONDARY THICKENER No. 6 FROM SOUTHEAST. NOTE PUMP PLATFORM FOR SECONDARY THICKENER No. 5; AGITATOR FLOOR BELOW ON RIGHT. - Bald Mountain Gold Mill, Nevada Gulch at HAER SD,41-LEAD.V,1-87.tif 5,000 × 3,998; 19.07 MB
  
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  VIEW OF SOUTH WALL OF THICKENER ADDITIONS. BARREN SOLUTION TANK IN FOREGROUND. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-35.tif 5,000 × 3,981; 18.99 MB
  
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  VIEW OF SOUTHWEST CORNER OF DRYER ROOM. DRYER FOUNDATION AT BOTTOM OF VIEW, WITH 18 INCH REVERSIBLE BELT CONVEYOR (UPPER LEFT), AND 16 INCH BELT CONVEYOR FINES FEED TO CRUSHED HAER SD,41-LEAD.V,1-44.tif 3,940 × 5,000; 18.79 MB
  
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  VIEW OF SYMONS 3 BY 6 FEET VIBRATING SCREEN FROM NORTHWEST. SCREEN IS BELOW AND FED BY DINGS MAGNETIC PULLEY - DRIVE GEAR VISIBLE. - Bald Mountain Gold Mill, Nevada Gulch at HAER SD,41-LEAD.V,1-42.tif 5,000 × 3,989; 19.02 MB
  
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  VIEW OF TWO JOHNS HOISTHOUSE FROM SOUTHWEST. HOIST DRIVE GEAR VISIBLE IN HOIST WING. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence HAER SD,41-LEAD.V,1-158.tif 5,000 × 4,018; 19.16 MB
  
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  VIEW OF TWO JOHNS HOISTHOUSE FROM WEST. WEST SNOWSHED COLLAPSED, LOWER LEFT CORNER OF VIEW. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, HAER SD,41-LEAD.V,1-157.tif 5,000 × 3,995; 19.05 MB
  
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  VIEW OF TWO JOHNS MINE PORTAL FROM EAST. NOTE WATER LINE ON BRIDGE; DEWATERING MINE SUPPLIED A PORTION OF THE MILL'S WATER SUPPLY. - Bald Mountain Gold Mill, Nevada Gulch at HAER SD,41-LEAD.V,1-163.tif 5,000 × 3,961; 18.89 MB
  
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  VIEW OF UPPER LEVEL CRUSHER ADDITION FROM CRUSHED OXIDIZED ORE BIN. 18 INCH BELT CONVEYOR BIN FEED, LOWER CENTER, WITH STEPHENS-ADAMSON 25 TON-HR ELEVATOR SPLIT DISCHARGE HAER SD,41-LEAD.V,1-45.tif 5,000 × 3,944; 18.81 MB
  
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  VIEW OF VACUUM CLARIFIER TANK No. 2 FROM WEST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-93.tif 4,039 × 5,000; 19.26 MB
  
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  VIEW OF WEST WALL OF CRUSHING ADDITION FROM SOUTHWEST. STEPHENS-ADAMSON 25 TON-HR BUCKET ELEVATOR IN CENTER. TEAM SUPERVISOR ROBERT W. GRZYWACZ ON LOWER LEVEL (LOCATION OF HAER SD,41-LEAD.V,1-33.tif 3,972 × 5,000; 18.94 MB
  
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  VIEW OF ZINC FEEDER FROM SOUTHEAST. NOTE FEEDER CONE AND PIPING FROM VACUUM RECEIVER ON LEFT. PRECIPITATE PUMP MOTOR MOUNT VISIBLE BELOW FEEDER STAIRS, PUMP AND MOTOR MISSING. HAER SD,41-LEAD.V,1-95.tif 5,000 × 3,922; 18.7 MB
  
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  WEST FACADE OF MACHINE SHOP AND EAGLE MINE PORTAL. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-118.tif 4,005 × 5,000; 19.1 MB
  
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  WINCH ALONG TRAMLINE NORTH OF DECORAH MINE, VIEW FROM SOUTH. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-143.tif 5,000 × 3,998; 19.07 MB
  
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  AGITATOR No. 3 AND No. 4 FROM SOUTHEAST. OLD PORTLAND FILTER FLOOR BEYOND. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-85.tif 4,002 × 5,000; 19.09 MB
  
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  AGITATOR No. 3, VIEW FROM NORTH. PIPE ABOVE AGITATOR IS UNDERFLOW FROM SECONDARY THICKENER No. 6. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, HAER SD,41-LEAD.V,1-86.tif 5,000 × 3,990; 19.03 MB
  
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  AGITATORS No. 2, No. 3, AND No. 4 FROM EAST. AIR SUPPLY RUNS THROUGH BENT BRACES ON RIGHT. NOTE AGITATOR RAKE LEANING AGAINST RETAINING WALL BETWEEN AGITATOR No. 2 AND No. 3. - HAER SD,41-LEAD.V,1-83.tif 4,006 × 5,000; 19.1 MB
  
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  AGITATORS No. 3, No. 4 AND No. 5 FROM SOUTHEAST. OLD PORTLAND FILTER FLOOR IS SEEN THROUGH FRAMING, LOWER RIGHT. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom HAER SD,41-LEAD.V,1-84.tif 3,946 × 5,000; 18.82 MB
  
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  AIR COMPRESSOR No. 2 FROM NORTHWEST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-89.tif 5,000 × 4,037; 19.25 MB
  
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  BALD MOUNTAIN MILL, INTERIOR SHOWING GOLD TANKS FROM WEST, c. 1937. DATE BASED ON USE IN PUBLICATION. CREDIT WR. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom HAER SD,41-LEAD.V,1-14.tif 3,959 × 5,000; 18.88 MB
  
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  BALD MOUNTAIN MILL, INTERIOR SHOWING PRECIPITATION AREA FROM NORTH, c. 1934. SHOWS PRECIPITATION TANK No. 1 (NOTE LOCKS), ZINC FEEDER WITH MIXING CONE, VACUUM RECEIVER AND HAER SD,41-LEAD.V,1-15.tif 5,000 × 4,054; 19.33 MB
  
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  BALD MOUNTAIN MILL, REFINERY INTERIOR, c. 1937. CRUCIBLE AND DRYING OVENS SHOWN. CREDIT WR. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence HAER SD,41-LEAD.V,1-17.tif 5,000 × 3,974; 18.95 MB
  
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  BARREN SOLUTION TANK, VIEW FROM NORTH. CRUSHED OXIDIZED ORE BIN ON LEFT. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-78.tif 3,987 × 5,000; 19.01 MB
  
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  DETAIL OF BOWL, DRIVE AND FEED LAUNDER IN SECONDARY MILL FROM SOUTHEAST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-76.tif 5,000 × 3,992; 19.04 MB
  
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  DETAIL OF CRUSHED OXIDIZED ORE BIN FRAMING, ADJACENT TO PRIMARY MILL No. 2 CRUSHED ORE FEED. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, HAER SD,41-LEAD.V,1-65.tif 3,968 × 5,000; 18.92 MB
  
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  DETAIL OF HOIST WINCH FROM EAST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-160.tif 5,000 × 4,072; 19.42 MB
  
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  DETAIL OF HOIST WINCH FROM SOUTH. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-161.tif 5,000 × 3,947; 18.82 MB
  
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  DETAIL OF WALL SHOWN IN SD-2-31. BEHIND WALL FRAMING IS SAMPLING ROOM WITH WOOD SAMPLING ELEVATOR. CRUSHED OXIDIZED ORE BIN ON LEFT (SOUTH). - Bald Mountain Gold Mill, Nevada HAER SD,41-LEAD.V,1-32.tif 4,050 × 5,000; 19.31 MB
  
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  EAGLE MINE INTERIOR. TEAM SUPERVISOR ROBERT W. GRZYWACZ APPEARS TWICE. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-119.tif 4,001 × 5,000; 19.08 MB
  
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  INTERIOR VIEW, CRUSHING ADDITION. THE SYMONS VIBRATING SCREEN SITS ON TOP OF THE PLATFORM. OVERSIZE ORE IS FED BY CHUTE TO THE GYRATORY SECONDARY CRUSHER (MISSING) SITTING ON HAER SD,41-LEAD.V,1-43.tif 3,940 × 5,000; 18.79 MB
  
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  LOCATION OF TWIN PRIMARY PULP PUMPS. PUMPS WERE LOCATED AT BASE OF PAIRED PIPE WHICH FED PRIMARY THICKENERS. BOWL OF SECONDARY CLASSIFIER ON LEFT. NOTE MULTIPLE PULP ROUTING HAER SD,41-LEAD.V,1-79.tif 5,000 × 3,996; 19.06 MB
  
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  MACHINE SHOP FORGE AREA FROM NORTHWEST. POWER HAMMER IN FOREGROUND ON LEFT. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-115.tif 5,000 × 4,009; 19.12 MB
  
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  MACHINE SHOP FORGE DETAIL FROM NORTHWEST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-116.tif 5,000 × 3,980; 18.98 MB
  
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  MACHINE SHOP INTERIOR FROM WEST. POWER HAMMER IN CENTER OF VIEW, FORGES TO RIGHT. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, HAER SD,41-LEAD.V,1-114.tif 5,000 × 3,994; 19.05 MB
  
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  MACHINE SHOP OVEN DETAIL FROM NORTHWEST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-117.tif 4,069 × 5,000; 19.41 MB
  
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  MACHINERY FOUNDATION NORTH OF CLINTON MINE ON TRAMLINE TO DECORAH MINE, VIEW FROM SOUTH. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence HAER SD,41-LEAD.V,1-150.tif 5,000 × 4,028; 19.21 MB
  
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  MACHINERY FOUNDATION NORTH OF ORE BIN TRAM SPUR NORTH OF DECORAH MINE, VIEW FROM SOUTHEAST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, HAER SD,41-LEAD.V,1-144.tif 5,000 × 4,006; 19.1 MB
  
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  MILL SOLUTION PUMP No. 1 FROM EAST. VERTICAL PIPE ON LEFT IS RETURN LINE TO MILL SOLUTION TANKS. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, HAER SD,41-LEAD.V,1-96.tif 3,998 × 5,000; 19.07 MB
  
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  NORTH WALL OF CRUSHED OXIDIZED ORE BIN. THE PRIMARY MILL FEEDS AT BOTTOM. MILL SOLUTION TANKS WERE TO THE LEFT (EAST) AND BARREN SOLUTION TANK TO THE RIGHT (WEST) OR THE CRUSHED HAER SD,41-LEAD.V,1-64.tif 3,959 × 5,000; 18.88 MB
  
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  PILE OF SWITCHES EAST OF TRAMLINE, NORTH OF CLINTON MINE. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-151.tif 3,941 × 5,000; 18.79 MB
  
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  PRIMARY CLASSIFIER No. 1 FROM EAST. PRIMARY MILL No. 2 IN BACKGROUND. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-67.tif 5,000 × 4,054; 19.33 MB
  
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  RABBLE DRIVE IN PILOT MILL ROASTER. VIEW FROM SOUTHEAST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-107.tif 5,000 × 3,931; 18.75 MB
  
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  ROASTER ADDITION INTERIOR FROM EAST, VIEW OF DISCHARGE CREW DRIVE WITH GAS PIPING FOR HEARTH FIRING. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, HAER SD,41-LEAD.V,1-58.tif 5,000 × 3,983; 19 MB
  
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  ROASTER ADDITION INTERIOR FROM SOUTHWEST, VIEW OF RABBLE DRIVE SYSTEM. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-57.tif 5,000 × 3,937; 18.78 MB
  
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  ROASTER ADDITION INTERIOR, VIEW OF HEARTH DRIVE GEAR FROM NORTHEAST. - Bald Mountain Gold Mill, Nevada Gulch at head of False Bottom Creek, Lead, Lawrence County, SD HAER SD,41-LEAD.V,1-59.tif 5,000 × 3,998; 19.07 MB