Stratigraphy and Metamorphism of the Wissahickon Formation in Southeastern Chester County, Pennsylvania Permalink: https://digitalcollections.tricolib.brynmawr.edu/object/bmc85989 Item Description Member of Geology Maps Description From Kuhlman, R., Stratigraphy and Metamorphism of the Wissahickon, Bryn Mawr 1975, Plate 1. Physical Form Cartographic Map Genre geological maps Date Created 1975 Temporal Subject Twentieth century Geographic Subject Chester County (Pa.) Language English Extent 1 map : color ; 30 x 48 inches Resource Type Still Image Internet Media Type image/tiff Digital Origin reformatted digital Institution Bryn Mawr College Library pbm Department Bryn Mawr College Special Collections Shelf Locator Collier Science Library, Geology Map Collection Local Identifier GIS-00033 PID bmc:85989 Record Content Source pbm Rights Statement IN COPYRIGHT