Upper Marlboro is the county seat for Prince George's County
Temple Hills is in Prince George's County
Prince George's County(644) ► ADJACENT TO PRINCE GEORGE'S COUNTY Anne Arundel County(468) ► Calvert County(153) ► Charles County(150) ► Howard County(143) ► Montgomery County(752) ► Washington, D.C.(2607) ► Alexandria, Virginia(378) ► Fairfax County, Virginia(709) ►
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On March 30, 1791, a group of six men, bundled in great coats, could be seen riding on horseback over a "wilderness" on the Potomac River. The leader was George Washington, first President of the United States, who was to approve the site . . . — — Map (db m154948) HM
Original Federal Boundary Stone
District of Columbia
Placed 1791-1792
Protected by Louisa Adams Chapter
Daughters of the American Revolution
1916 — — Map (db m154927) HM
Original Federal Boundary Stone Southeast 6 District of Columbia 1791–1792 Plaque placed in 2014 by Martha Washington Chapter NSDAR Washington, DC — — Map (db m154793) HM