Mapped by the Army Map Service , published for civil use by the Geological Survey. Filing title: Ekron, Ky.-Ind. Polyconic projection. Relief shown by contours and spot heights. Contour interval 20 feet. Dashed lines represent 10-foot contours. Some copies have forest areas colored green. "Compiled in 1953 from 1:25000-scale maps of Rock Haven, Guston, Big Spring, and Flaherty 7.5 minute quadrangles, surveyed in 1946 and 1947. Topography from aerial photographs by photogrammetric methods. Aerial photographs taken 1944, 1945, and 1946. Field check 1946 and 1947." "This area also covered by 1:24000-scale maps of Rock Haven, Guston, Big Spring, and Flaherty 7.5 minute quadrangles, surveyed in 1946 and 1947." "N3745--W8600/15."
Imprint: Washington, D.C. : published for civil use by the U.S. Geological Survey, 1959.
Dimensions: 45 x 42 cm or smaller; Scale: 1:62,500