1970. Hollingsworth, John McHenry, 1823-1889 and Kingsbury, Robert C. Shows primary and secondary recreation areas, recreation areas under construction, lookout towers, acquisition boundary (purchase unit), and Hoosie... Department of Geography, Indiana University.
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1965. author. and Kingsbury, Robert C. Shows recreation areas. Scale approximately 1:370,000. Robt. C. Kingsbury. Department of Geography, Indiana University.
1958. Blue line print.; This map was compiled by the U.S. Forest Service, Milwaukee, Wis. 1956 by photographic reproduction of Indiana State Highway Comm... Forest Service?.
1936. Compiled at the Regional Office, Milwaukee, Wisconsin form G.L.O. and Forest Service Surveys, also state and county maps by W.F. Last.; Preliminary... U.S. Dept. of Agriculture, Forest Service.