does the park contain any historical sites?
Seneca Quarry, Seneca Creek
Seneca Creek State Park
Seneca Quarry, built in 1837, is off Tschiffely Mill Road just west of where Seneca Creek 
what is the story of the blair witch project Rustin Parr, a hermit who lived in the woods and kidnapped seven children in the 1940s, supposedly killing all of them on the orders of the witch. when was the film released? July 14, 1999 who is the director? Daniel Myrick and Eduardo Sánchez which location was used for the shooting of this film? Seneca Creek State Park in Montgomery County, Maryland how much did it make? By the end of its theatrical run, the film grossed $140.5 million in the US and Canada and grossed $108.1 million in other territories, for a worldwide gross of $248.6 million what is the area covered by the above mentioned park? It encompasses more than along 14 miles of Seneca Creek in its run to the Potomac River in Montgomery County, Maryland
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Seneca Creek State Park [SEP] Historic sites
The remains of Seneca Quarry, built in 1837, is off Tschiffely Mill Road just west of where Seneca Creek empties into the Potomac. The mill cut the red sandstone for the Smithsonian Castle. The restored quarry masters house stands above the quarry site. Both are part of the state park. The partially restored Black Rock Mill has interpretive exhibits featuring a history of area floods. The Seneca Schoolhouse is a restored 19th-century schoolhouse which was built for the children of local quarry laborers. Parts of the park were once part of an estate owned by the Clopper family. The Woodlands area near the Clopper Lake Day Use Area commemorates the Clopper family with a self-guided trail that offers a look into life in the 19th century.