Big Ten Academic Alliance Geospatial Discovery Portal
Big Ten Academic Alliance Geoportal
Map showing selected subsurface dye traces in south-central Indiana
- Frushour, Samuel S., Harper, Denver, Dintaman, Christopher R., and Sowder, Kimberly H.
- Digital cartogrpahy by Kimberly H. Sowder.' Includes text, index map, location map, and 'Sources of subsurface dye trace information.' Scale 1:500,000. By Samuel S. Frushour, Denver Harper, and Christopher R. Dintaman.
- Indiana Geological Survey
- Indiana Historic Maps
- Indiana, United States
- Thematic maps
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