Map of a Piece of Land on Valley Creek in Schuylkill Township, Chester County, Pennsylvania.
Map of a Piece of Land on Valley Creek in Schuylkill Township, Chester County, Pennsylvania.
Levels on Valley Creek and the Bed of the Mill Pond after the Cotton Mill Dam was Breached, also Trenches and Levels - along the Mount Joy Forge Head-Race, Valley Forge, Pennsylvania
[Upper Forge Floor - Sluice Box at Site of Dam]
Sketch Showing Corner Stones Required Extension of Valley Forge Park, 1915 & 1916
Schedule for Creek Wall-Grading, etc., Valley Forge Park, Drawing No. 3