"E20." Includes index to Indiana Dept. of Conservation properties., Imprint: [Indianapolis?] : [Dept. of Conservation?], [1961?], Scale: Scale not given.; Dimensions: 26 x 20 cm, Coordinates: W0880700 W0844500 N0423000 N0370000
Indiana. Department of Conservation (1961). Indiana Department of Conservation property guide. Indiana. Department of Conservation. https://purl.dlib.indiana.edu/iudl/images/VAC3073/VAC3073-M-00145 (map)