Geologic Map of Ithan Creek Valley Permalink: https://digitalcollections.tricolib.brynmawr.edu/object/bmc86148 Item Description Member of Geology Maps Description From Benedict, D., Geologic Map of Ithan Creek Valley, Bryn Mawr. Physical Form Cartographic Map Genre geological maps Temporal Subject Twentieth century Geographic Subject Delaware County (Pa.) Language English Extent 1 map : color ; 52.5 x 17 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-00193 PID bmc:86148 Record Content Source pbm Rights Statement COPYRIGHT UNDETERMINED