Contour intervals 10 and 20 feet changing on the 500 foot contour;"Culture and drainage in part compiled from aerial photographs taken by Air Corps, U.S. Army";"Surveyed in 1921, 1928 and 1932";Relief shown by contours and spot heights.;Shows roadway classification as of 1935.;1 map, colored;45 x 34 cm.;1:62,500