TY  - BOOK
TI  - 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
PY  - 1949///
PB  - State of Maryland - Department of Geology, Mines, and Water Resources
UR  - https://tudorhall.stmaryshistory.org/maps/map-008.pdf
ER  -