Category:1973 in Duluth, Minnesota

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Duluth, Minnesota in the 1970s : ←; 1973; 1975; 1977; 1978; →

1973 in Duluth, Minnesota

Media in category "1973 in Duluth, Minnesota"

The following 42 files are in this category, out of 42 total.

ABANDONED FACTORY IN RIVERSIDE, A SUBURB OF DULUTH ON THE ST LOUIS RIVER - NARA - 551586.jpg 3,000 × 2,041; 778 KB
CANOEING AND FISHING ON THE LAKE. DULUTH HARBOR IN BACKGROUND - NARA - 551572.jpg 3,000 × 2,023; 471 KB
CON-WED PLANT AT CLOQUET DISCHARGES "WHITE WATER" INTO A SIDE CHANNEL OF THE ST. LOUIS RIVER. SOME OF THE DISCHARGE... - NARA - 551570.jpg 2,005 × 3,000; 1,020 KB
CON-WED PLANT AT CLOQUET DISCHARGES WASTE WATER INTO A SIDE CHANNEL OF THE ST. LOUIS RIVER. AT THE EXTREME LEFT IS... - NARA - 551603.jpg 3,000 × 2,019; 954 KB
CON-WED PLANT AT CLOQUET, MINNESOTA., DISCHARGES "WHITE WATER" INTO A SIDE CHANNEL OF THE ST. LOUIS RIVER. CON-WED... - NARA - 551569.jpg 3,000 × 2,027; 1,023 KB
CONVEYOR DISCHARGES TACONITE TAILING RESIDUE INTO LAKE SUPERIOR. RESERVE MINING COMPANY'S TACONITE PLANT IN SILVER BAY - NARA - 551557.jpg 2,027 × 3,000; 697 KB
Duluth station, August 1973.jpg 500 × 320; 54 KB
Dust fills air as ships are loaded from the Cargill grain elevator - NARA - 551577.jpg 3,000 × 2,031; 706 KB
DUST FROM OPERATIONS OF GRAIN ELEVATORS CONTRIBUTE TO AIR POLLUTION OF DULUTH, MINNESOTA. AND SUPERIOR, WISCONSIN - NARA - 551609.jpg 3,000 × 2,028; 667 KB
EAST OF THE CON-WED PLANT AT CLOQUET, THE SIDE CHANNEL OF THE ST. LOUIS RIVER INTO WHICH THE "WHITE WATER" IS... - NARA - 551602.jpg 2,014 × 3,000; 1 MB
EAST OF THE CON-WED PLANT AT CLOQUET, THE SIDE CHANNEL OF THE ST. LOUIS RIVER INTO WHICH THE "WHITE WATER" IS... - NARA - 551604.jpg 2,033 × 3,000; 1.13 MB
EPITHELIUM (GILL COVERING) OF A CHANNEL CATFISH DAMAGED BY EXPOSURE TO METHYL MERCURIC CHLORIDE IN THE WATER. CAMERA... - NARA - 551615.jpg 2,023 × 3,000; 660 KB
MINNESOTA POINT, DULUTH HARBOR - NARA - 551587.jpg 3,000 × 2,023; 812 KB
MINNESOTA POWER AND LIGHT PLANT. THERE IS NO PRECIPITATOR ON ITS SMOKE STACK - NARA - 551566.jpg 3,000 × 2,035; 1,022 KB
NATIONAL WATER QUALITY LABORATORY - NARA - 551596.jpg 3,000 × 2,025; 821 KB
NATIONAL WATER QUALITY LABORATORY - NARA - 551597.jpg 3,000 × 2,020; 794 KB
NATIONAL WATER QUALITY LABORATORY - NARA - 551598.jpg 3,000 × 2,051; 909 KB
NATIONAL WATER QUALITY LABORATORY, 30 DAY GROWTH OF JORDANELLA. THE BOTTLES, LEFT TO RIGHT, CONTAIN, 1-THE CONTROL... - NARA - 551591.jpg 3,000 × 2,029; 659 KB
NATIONAL WATER QUALITY LABORATORY, A GOVERNMENT FACILITY - NARA - 551605.jpg 3,000 × 2,027; 780 KB
NATIONAL WATER QUALITY LABORATORY, AQUATIC BIOLOGIST WESLEY SMITH MAKES A COUNT OF FISH EGGS IN A SUBSTRATE THAT HAS... - NARA - 551590.jpg 3,000 × 2,045; 777 KB
NATIONAL WATER QUALITY LABORATORY, AQUATIC BIOLOGIST WESLEY SMITH REMOVES A SUBSTRATE FROM THE BANK OF AQUARIUM TANKS... - NARA - 551589.jpg 3,000 × 2,029; 725 KB
NATIONAL WATER QUALITY LABORATORY, AQUATIC BIOLOGIST WESLEY SMITH, REMOVES A SUBSTRATE FROM THE BANK OF AQUARIUM... - NARA - 551588.jpg 2,038 × 3,000; 931 KB
NATIONAL WATER QUALITY LABORATORY, OPERATING THE ELECTRON MICROSCOPE - NARA - 551594.jpg 2,022 × 3,000; 776 KB
NATIONAL WATER QUALITY LABORATORY, OPERATING THE ELECTRON MICROSCOPE - NARA - 551595.jpg 2,030 × 3,000; 721 KB
NATIONAL WATER QUALITY LABORATORY, SEVERELY DEFORMED SPINE OF THE JORDANELLA FISH IS RESULT OF METHYL MERCURY IN THE... - NARA - 551592.jpg 3,000 × 2,047; 475 KB
NATIONAL WATER QUALITY LABORATORY, SEVERELY DEFORMED SPINE OF THE JORDANELLA FISH IS RESULT OF METHYL MERCURY IN WATER - NARA - 551593.jpg 3,000 × 2,034; 509 KB
NORTHWEST PAPER COMPANY AT CLOQUET, MINNESOTA, ON THE ST LOUIS RIVER. DISCHARGE FROM THE SMOKE STACK RISES 800 TO... - NARA - 551567.jpg 2,944 × 1,964; 1.65 MB
NORTHWEST PAPER COMPANY ON THE ST. LOUIS RIVER AT CLOQUET DISCHARGES SMOKE INTO THE AIR AND SULPHITE LIQUOR INTO THE... - NARA - 551578.jpg 3,000 × 2,032; 951 KB
NORTHWEST PAPER COMPANY ON THE ST. LOUIS RIVER AT CLOQUET DISCHARGES SMOKE INTO THE AIR AND SULPHITE LIQUOR INTO THE... - NARA - 551579.jpg 2,026 × 3,000; 966 KB
NORTHWEST PAPER COMPANY ON THE ST. LOUIS RIVER AT CLOQUET DISCHARGES SMOKE INTO THE AIR AND SULPHITE LIQUOR INTO THE... - NARA - 551580.jpg 2,029 × 3,000; 963 KB
ORE CARRIER HEADS INTO LAKE SUPERIOR FROM DULUTH HARBOR AHEAD IS A LAYER OF SMOG HANGING IN THE AIR OVER THE CITIES... - NARA - 551542.jpg 3,000 × 2,028; 492 KB
SHIP LOADING AT THE CARGIL GRAIN ELEVATOR. GRAIN PARTICLES ESCAPE INTO THE AIR, SETTLE ON THE DOCK AND ON THE SURFACE... - NARA - 551581.jpg 2,031 × 3,000; 1,017 KB
SOUTHWESTERLY CURRENTS HAVE CARRIED TACONITE TAILINGS DISCHARGED BY RESERVE MINING COMPANY'S PLANT IN SILVER BAY, TO... - NARA - 551573.jpg 3,000 × 2,032; 788 KB
SOUTHWESTERLY CURRENTS HAVE CARRIED TACONITE TAILINGS DISCHARGED BY RESERVE MINING COMPANY'S PLANT IN SILVER BAY, TO... - NARA - 551574.jpg 3,000 × 2,048; 888 KB
SOUTHWESTERLY CURRENTS HAVE CARRIED TACONITE TAILINGS DISCHARGED BY RESERVE MINING COMPANY'S PLANT IN SILVER BAY, TO... - NARA - 551575.jpg 3,000 × 2,028; 977 KB
TACONITE TAILINGS FROM RESERVE MINING COMPANY'S PLANT AT SILVER BAY ARE DISCHARGED INTO LAKE SUPERIOR - NARA - 551607.jpg 3,000 × 2,022; 806 KB
THE SHIPMENT OF GAIN IS A MAJOR ACTIVITY OF DULUTH HARBOR. AS FREIGHTERS ARE LOADED, GRAIN PARTICLES ESCAPE INTO THE... - NARA - 551562.jpg 3,000 × 2,023; 998 KB
THE SHIPMENT OF GRAIN IS A MAJOR ACTIVITY OF DULUTH HARBOR. AS FREIGHTERS ARE LOADED, GRAIN PARTICLES ESCAPE INTO THE... - NARA - 551559.jpg 2,025 × 3,000; 879 KB
THE SHIPMENT OF GRAIN IS A MAJOR ACTIVITY OF DULUTH HARBOR. AS FREIGHTERS ARE LOADED, GRAIN PARTICLES ESCAPE INTO THE... - NARA - 551560.jpg 3,000 × 2,012; 1.04 MB
THE SHIPMENT OF GRAIN IS A MAJOR ACTIVITY OF DULUTH HARBOR. AS FREIGHTERS ARE LOADED, GRAIN PARTICLES ESCAPE INTO THE... - NARA - 551561.jpg 2,029 × 3,000; 1,001 KB
THE ST. LOUIS RIVER BASIN DISCHARGES ITS WATERS INTO LAKE SUPERIOR THROUGH THE DULUTH SHIP CANAL. THE RIVER WATERS... - NARA - 551600.jpg 3,000 × 2,016; 564 KB
THE ST. LOUIS RIVER BASIN DISCHARGES ITS WATERS INTO LAKE SUPERIOR THROUGH THE DULUTH SHIP CANAL. THE RIVER WATERS... - NARA - 551610.jpg 3,000 × 2,040; 818 KB

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