1959. Geological Survey (U.S.),cartographer. Relief shown by contours and spot heights.; Shows portions of Harrison County, Indiana, and Meade County, Kentucky.; Compiled in 1956 from 1:25,000... United States, Department of the Interior, Geological Survey.
1963. Relief shown by contours and spot heights. Depths by contours and soundings.; Contour interval 5 and 10 feet.; Red tint indicates areas in which on... U.S. Geological Survey.
1970. Kingsbury, Robert C. and Hollingsworth, John M. Relief shown by contours and gradient tints. Detached from: Kingsbury, Robert C. Atlas of Indiana, page 12. Scale approximately 1:2,000,000. Department of Geography, Indiana University.
1957. Geological Survey (U.S.). Topography in Illinois from aerial photographs by Kelsh plotter, Aerial photographs taken 1956. Field check 1957, Topography in Indiana by planetab... Geological Survey (U.S.), Geological Survey Division (Urbana, Ill.), and Indiana Dept. of Conservation (Indianapolis, Ind.).
1973. Geological Survey (U.S.). Relief shown by contours and spot heights.; Compiled in 1970.; Includes population key.; Source data U.S Dept. of the interior - Geological Survey ... U.S. Geological Survey.