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Geological maps
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Indiana, United States
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Image
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Year
1907
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1. 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.
1907. 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 Departmen...