On text slip: Survey showing ... rail line laid across property now known as Sproul Estates, Nether Providence Township, Delaware County, between Crum & Ridley Creeks. Includes text. Photocopy made from a ms. in the collection of the Historical Society of Pennsylvania. LC copy has text slip taped on.
Consists of geologic and mineral resources maps, topographic surveys, city plans, railroad maps, nautical and aeronautical charts, lake surveys, and boundary studies. Inventory in Geography & Map Division Reading Room. Most atlases from the collection are cataloged separately. Special collections