R.B. Marshall, chief geographer , W.H. Herron, geographer in charge , topography by Frank Tweedy, C.L. Sadler, Chas. Hartmann, Jr., L.L. Lee, W.S. Gehres, and J.B. Leavitt , control by Corps of Engineers U.S. Army, Coast and Geodetic Survey, J.R. Ellis, C.B. Kendall, Geo. T. Hawkins, H.W. Peabody, R.G. Clinite, and S.L. Parker , engraved Feb. 1915 by U.S.G.S. Filing title: Vincennes. Edition of May 1915. Polyconic projection. Relief shown by contours and spot heights. Contour interval 20 feet. Shows portions of Lawrence County, Illinois, and Knox County, Indiana, as well as a small portion of Wabash County, Illinois, and Gibson County, Indiana. Some copies show forest areas colored green. Surveyed in 1911-1913. Surveyed in cooperation with the State of Illinois. Reprinted 1934.
Imprint: [Washington, D.C.] : U.S. Geological Survey, [1915]
Dimensions: 45 x 42 cm or smaller; Scale: 1:62,500