User contributions for Pgrig

A user with 17 edits. Account created on 4 May 2010.
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19 February 2012

4 February 2012

9 December 2011

24 October 2011

5 March 2011

4 March 2011

  • 12:0112:01, 4 March 2011 diff hist +461 Nm File:Wetherill-1921-Map-S.jpgThis map was produced by the U.S. Army Engineers, and updated through 1921. It was provided by the Coast Defense Study Group, which copied it from the National Archives and distributed it on DVD. Unfortunately, the original image file is considerably fuzz Tag: Imported with FileImporter

9 January 2011

8 January 2011

5 January 2011

  • 20:2420:24, 5 January 2011 diff hist +907 N File:Ft-Banks-AP-c-1940.jpgThis undated aerial photo, likely made by the U.S. Army in about 1940, looks southeasterly across the mortar pits at Ft. Banks. Btty Kellogg Pit A is at upper left and Btty Lincoln Pit B is at lower right. This photo shows the original height of the eart Tag: Imported with FileImporter

23 September 2010

22 September 2010

20 September 2010

17 September 2010

12 September 2010

2 September 2010

  • 20:0120:01, 2 September 2010 diff hist +705 N File:Old-Style-Pit.jpgThis image shows an old-style mortar pit of the Abbot Quad period. Three mortars are shown, and a fourth is likely located just out of frame to the left. Although it appears that only two of the mortars (likely the ones at center and lower left) are invol Tag: Imported with FileImporter

31 August 2010

30 August 2010

22 August 2010

21 August 2010

20 August 2010

  • 15:3815:38, 20 August 2010 diff hist +1,825 N File:Developmental-Plan-Banks.jpgThis is a portion of the plan view of the two coast defense mortar batteries at Fort Banks, Winthrop, MA. Originally researched and drawn by Thomas Vaughan of the Coast Defense Study Group (and updated through December, 1982), the plan is a portion of a l Tag: Imported with FileImporter

17 August 2010

  • 20:1720:17, 17 August 2010 diff hist +380 N File:Ft-Duvall-Map-1938.jpgMap is from the Supplement of the report by the U.S. Army Engineers on the Defenses of Boston Harbor, 1945. The two 16-inch gun positions of Battery Long are clearly visible, as well as the magazines, mechanical spaces, and plotting rooms in the undergrou Tag: Imported with FileImporter

31 July 2010

30 July 2010

28 July 2010

27 July 2010

  • 18:3418:34, 27 July 2010 diff hist +711 N File:Strong-Mines-S.jpgThis plan of the mine casemate at Fort Strong, Long Island, Boston Harbor is extracted from the Reports of Completed Works (RCWs)for that fort by the U.S. Army Engineers. It dates to about 1940. The left-hand (westerly) portion of the casemate housed the Tag: Imported with FileImporter
  • 13:5013:50, 27 July 2010 diff hist +900 N File:Mine-and-Box.jpgThis image is taken from Training Manual TM 2160-20, "Submarine Mining," U.S. War Department, Washington, D.C., October 15, 1930, p. 217. It shows a spherical mine (cylindrical ones were also used) tethered to an anchor which kept it at a pre-determined h Tag: Imported with FileImporter

17 July 2010

  • 20:1220:12, 17 July 2010 diff hist +644 N File:Ft-Strong-Obsolete-Bty.jpgThis plan drawing was part of the January, 1922 Report of Completed Works for Battery Ward at Fort Strong (Long Island, Massachusetts) by the U.S. Army Engineers. Somewhat amazingly, it shows the positions of the obsolete 19th Century cannon battery an Tag: Imported with FileImporter

16 July 2010

13 July 2010

  • 18:3918:39, 13 July 2010 diff hist +832 N File:Ft-Heath-Map-1921.jpgThis map, from the U.S. Army Engineers, is updated through 1921. The curving southwest boundary of the fort apparently followed the present course of Pond Street, Winthrop. The shorter leg running roughly northeast apparently followed Highland Avenue. Tag: Imported with FileImporter

10 July 2010

  • 16:4616:46, 10 July 2010 diff hist +1,070 N File:Ft-Ruckman-Map.jpgThis map of Fort Ruckman is from the U.S. Army Engineers' 1945 Report on the Harbor Defenses of Boston, and was meant as an aid to locating the WW2 battery of three anti-aircraft guns NW of the fort (at "Site 2C"). The boundary of the fort is indicated by Tag: Imported with FileImporter

8 July 2010

  • 17:4517:45, 8 July 2010 diff hist +1,057 N File:Banks-map-1938.jpg{{Information |Description={{en|1=1938 map of Ft. Banks shows the four mortar pits of Batteries Lincoln and Kellogg at center. The two northerly "B" pits (see red labels) each (by 1938) contained two mortars, while the southerly "A" pits contained four mo

7 July 2010

4 July 2010

  • 23:5423:54, 4 July 2010 diff hist +851 N File:Battery-Smyth.jpgThis photo, taken in 2010, looks easterly at Gun Platform #1 (at right) of Battery Smyth, a battery of two 3-inch guns on the eastern side of the island that protected the mine fields planted between Long Island and Hull, along Nantasket Roads, the channe Tag: Imported with FileImporter
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