Research Map. Granitized Rocks. Philadelphia. Permalink: https://digitalcollections.tricolib.brynmawr.edu/object/bmc86136 Item Description Member of Geology Maps Description From Research Map. Granitized Rocks., Figure 19. Physical Form Cartographic Map Genre geological maps Geographic Subject Philadelphia County (Pa.) Language English Extent 1 map : color ; 10 x 15 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-00181 PID bmc:86136 Record Content Source pbm Rights Statement COPYRIGHT UNDETERMINED