Filing title: Mount Carmel, Ill.-Ind. Edition of 1904, reprinted 1946 with corrections. Polyconic projection. Relief shown by contours and spot heights. Contour interval 20 feet. Surveyed in 1902. Culture revised in part, 1940. "N3815-W8745/15." Imprint: [Washington, D.C.] : U.S. Geological Survey, 1946 Dimensions: 45 x 42 cm or smaller