The Mounds
Inscription
Site of two Indian Burial Mounds built between 2,000 and 3,000 years ago by the Adena people. Late 19th century excavations found skeletons, pottery, copper implements, and other antiquities.
Location
AddressMounds & Indiana Sts.
CityMonongahela
CountyWashington
StatePennsylvania
Coordinates40.198550, -79.932580
Sources
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Washington, PA
Formed March 28, 1781 out of Westmoreland County and named for Gen. George Washington.
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Monongahela, PA
Oldest settlement in the valley and transportation center since the days of Devore's Ferry, chartered 1775.