. . "Earthwork fort"@en . . . . . . . "Fort Sumner (Maryland)"@en . . . . "Fort Sumner was built during the American Civil War by the Union Army in the Brookmont section of Bethesda, Maryland, just northwest of Washington, D.C."@en . . . . . . "4798"^^ . . . . "1861"^^ . . . . . . "Fort Sumner"@en . . "38.95539855957031"^^ . . . . . "-77.12400054931641"^^ . . . . . "POINT(-77.124000549316 38.95539855957)"^^ . "1860.0"^^ . "Fort Sumner"@en . . . . . . . . . . . . . . "View of the Potomac River from Fort Sumner"@en . . . . "United States District of Columbia street"@en . . . . "38.9554 -77.124" . "38565981"^^ . . . . . . . . . "Earth, timber"@en . . . . . . . "Residential area"@en . . . . "1095211006"^^ . . "1953"^^ . . "the Civil War Defenses of Washington"@en . . "Fort Sumner was built during the American Civil War by the Union Army in the Brookmont section of Bethesda, Maryland, just northwest of Washington, D.C."@en . . .