Research Map. Fault, Boundry of Baltimore gneiss Basic or ultrabasic rocks, granitized schists Permalink: https://digitalcollections.tricolib.brynmawr.edu/object/bmc86123 Item Description Member of Geology Maps Description From Research Map, Figure 18. Physical Form Cartographic Map Genre geological maps Geographic Subject United States Language English Extent 1 map : color ; 10.5 x 14.75 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-00168 PID bmc:86123 Record Content Source pbm Rights Statement COPYRIGHT UNDETERMINED