Big Ten Academic Alliance Geospatial Discovery Portal
Big Ten Academic Alliance Geoportal
A map of the counties of Franklin, Union, Fayette and Wayne showing the location of sections and collecting localities and the boundary between the Ordovician and Silurian systems.
- Foerste, Aug. F. (Aug. Frederic),1862-1936.
- Detached from: The stratigraphy and paleontology of the Cincinnati series of Indiana / E.R. Cumings. In 32nd Annual report of the Indiana Department of Geology and Natural Resources. 'Boundary after Foerste.' Scale approximately 1:126,720. 2 miles to the in.
- Indiana Department of Geology and Natural Resources and William B. Burford
- Indiana Historic Maps
- Indiana, United States and Indiana, United States
- Geological maps
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