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MapMap of Montgomery County, Maryland General-content military map; also shows rural buildings with householders' names and extensive delineation of ravines (only in Montgomery County in the immediate vicinity of the District of Columbia). Also covers the western end of Prince George's County (Md.). Relief shown by hachures. Oriented with north toward the upper left. "Autographic Transfer printed at the Coast Survey Office, June 24th 1863." Available also through the...
- Contributor: United States. Bureau of Topographical Engineers - United States Coast Survey
- Date: 1862-01-01