TY  - BOOK
TI  - Map of St. Mary's County Showing the Topography and Election Districts (1949, revised 1959): - Compiled from Topographic Sheets of the U.S. Geological Survey and the Corps of Engineers, U.S. Army
PY  - 1949///, revised 1959
PB  - State of Maryland, Department of Geology, Mines and Water Resources
N2  - Large sheet map, black and white.  Discoloration pattern
UR  - https://tudorhall.stmaryshistory.org/maps/map-087.pdf
ER  -