Contour intervals 10 and 20 feet changing on the 580 foot contour.;"Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army.";"Surveyed in 1921, 1931, 1934, and 1935";Relief shown by contours and spot heights.;Shows roadway classification as of 1940.;1 map, colored;45 x 34 cm.;1:62,500