Image: Ft-Duvall-Map-1938
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Ft-Duvall-Map-1938.jpg (586 × 379 pixels, file size: 61 KB, MIME type: image/jpeg)
Description: Map 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 underground bunker that connected them. The "P" symbols on the map indicate plotting rooms.
Title: Ft-Duvall-Map-1938
Credit: Supplement of the report by the U.S. Army Engineers on the Defenses of Boston Harbor, 1945.
Usage Terms: Public domain
License: PD
Attribution Required?: No
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