Wier, Charles E. (Charles Eugene), 1921- cartographer.Shows southwest quadrant of Indiana.; Includes location map and Diagram of township showing arrangement of sections.; 1952. Scale 1:500,000.JPEGe7443c6e-936f-4d1c-acf4-d6255afcc602engIndiana Dept. of Conservation, Geological SurveyPublicMap of Indiana showing location of active coal minesMapsIndiana1952Indiana University