1968. Ault, Curtis H. and Webb, William M. Includes generalized columnar section, 'Sectionized township,' and index of producers of clay and clay products. 'Base modified from U.S. Geologica... Indiana Geological Survey.
Search Results
1979. Eggert, Donald L., cartographer. December 1979. Scale approximately 1:380,000. Indiana Geological Survey.
2000. Eaton, Nathan (Cartographer) and Weber, Licia. Compilation complete through October 1997.' 'Base map digitized from 1:500,000 scale, 1978 U.S. Geological Survey map of Indiana.' Includes text an... Indiana Geological Survey.
1998. Cazee, J. T.(James T.), cartographer. Compilation complete to December 1998.; Base map digitized from 1978 U.S. Geological Survey map of Indiana. Scale 1:500,000. Scale 1:550,000. Indiana Geological Survey.
2000. Dintaman, Christopher R., Frushour, Samuel S., Harper, Denver, and Sowder, Kimberly H. Digital cartogrpahy by Kimberly H. Sowder.' Includes text, index map, location map, and 'Sources of subsurface dye trace information.' Scale 1:500,... Indiana Geological Survey.