Big Ten Academic Alliance Geospatial Discovery Portal
Big Ten Academic Alliance Geoportal
- Relief shown by contours and spot heights. Base 7.5 minute U.S.G.S. topographic quads. Includes text. Scale approximately 1: 31680. Indiana Dept. of Natural Resources.
- Department of Natural Resources
- Indiana Historic Maps
- Indiana, United States, Indiana, United States, and Knobstone Trail, Indiana, United States
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- More details at