A Map of St. Mary's County showing the Topography and Election Districts (1949) - Compiled from Topographic Sheets of the U.S. Geological Survey and the Corps of Engineers, U.S. Army

A Map of St. Mary's County showing the Topography and Election Districts (1949) - Compiled from Topographic Sheets of the U.S. Geological Survey and the Corps of Engineers, U.S. Army - State of Maryland - Department of Geology, Mines, and Water Resources 1949 - 34"x40"

St. Mary's County Historical Society, 41680 Tudor Hall Place, Leonardtown, Maryland 20650

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