English: This map of Ft. Andrews, updated to 1921, comes from the U.S. Engineers' Reports of Completed Works for the harbor defenses of Boston, MA, as contained on a DVD of original file copies from the National Archives digitized and supplied by the Coast Defense Study Group, McLean, VA, 2010. The red numerals were added in 2010 by Paul Grigorieff to distinguish the four enlisted men's barracks.
This map of Ft. Andrews, updated to 1921, comes from the U.S. Engineers' Reports of Completed Works for the harbor defenses of Boston, MA, as contained on a DVD of original file copies from the National Archives digitized and supplied by the Coast Defense
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