Chamberlin, Thomas C. (Thomas Chrowder), 1843-1928Prime meridian: Greenwich. Include 3 cross-sections. "Plate No. I."69 x 59 centimetersJPEGUMN_ALMA:9950185200001701engCommissioners of Public Printing (Madison)PublicGeneral geological map of Wisconsin, 1881MapsWisconsin1881University of Minnesota