Flat Rock Dam
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Montgomery County
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Lower Merion Township
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Flat Rock Dam
Flat Rock Dam, also known as Dam 31 in Lower Merion Township.
Flat Rock Dam
alt_name
Dam 31
Waterway
weir
Harrisburg Line
Schuylkill Expressway
Hollow Road
Flat Rock Dam Fish Passageway
Flat Rock Park
Schuylkill River
Hidden River Road