Preliminary Study of the Application of the Insoluble Residue Technique Limestones of the Chester Valley, Norristown Quadrangle, Pennsylvania Permalink: https://digitalcollections.tricolib.brynmawr.edu/object/bmc86010 Item Description Member of Geology Maps Description From Lutz, K., Preliminary Study of the Application of the Insoluble, Bryn Mawr 1948. Physical Form Cartographic Map Genre geological maps Date Created 1948-05-15 Temporal Subject Twentieth century Geographic Subject Montgomery County (Pa.) Language English Extent 1 map : color ; 20 x 16.5 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-00054 PID bmc:86010 Record Content Source pbm Rights Statement IN COPYRIGHT