Petrology and Metamorphism in the Marcus Hook Quadrangle, Southeastern Pennsylvania Permalink: https://digitalcollections.tricolib.brynmawr.edu/object/bmc86012 Item Description Member of Geology Maps Description From Mark, L., Petrology and Metamorphism, Bryn Mawr 1977. Physical Form Cartographic Map Genre geological maps Date Created 1977 Temporal Subject Twentieth century Geographic Subject Delaware County (Pa.) Language English Extent 1 map : color ; 19 x 24.25 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-00056 PID bmc:86012 Record Content Source pbm Rights Statement IN COPYRIGHT