Map - Potomac River - Piney Point to Lower Cedar Point (1935)
Map - Potomac River - Piney Point to Lower Cedar Point (1935)
- 3rd edition
- Washington, D.C. U. S. Coast & Geodetic Survey 1935
- 36" x 47"
St. Mary's County Historical Society, 41680 Tudor Hall Place, Leonardtown, Maryland 20650