State of Indiana /compiled, edited and published by the Geological Survey.
Description
Relief shown by contours and spot heights.; Compiled in 1970.; Includes population key.; Source data U.S Dept. of the interior - Geological Survey topographic maps. U.S Dept. of the Army - Corps of Engineers topographic maps.
Geological Survey (U.S.) (n.d.). State of Indiana /compiled, edited and published by the Geological Survey.. U.S. Geological Survey. http://purl.dlib.indiana.edu/iudl/images/VAC3073/VAC3073-M-00367 (map)