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You searched for: Creator Foerste, Aug. F. (Aug. Frederic), 1862-1936 Publisher Indiana. Department of Geology and Natural Resources

Geological map of western Franklin County and adjacent Decatur County, showing the boundary between the upper and lower Silurian rocks

1. Geological map of western Franklin County and adjacent Decatur County, showing the boundary between the upper and lower Silurian rocks

Geological map of eastern Jennings County and adjacent Decatur County, outlining the lower Silurian areas in the bottoms of streams

2. Geological map of eastern Jennings County and adjacent Decatur County, outlining the lower Silurian areas in the bottoms of streams

Geological map of Fayette County, showing the boundary between the upper and lower Silurian rocks

3. Geological map of Fayette County, showing the boundary between the upper and lower Silurian rocks

Geological map of Ripley County and adjacent Decatur County, outlining the eastern border of the upper Silurian (excepting east of Laughery Creek), and also the lower Silurian areas along the western creeks

4. Geological map of Ripley County and adjacent Decatur County, outlining the eastern border of the upper Silurian (excepting east of Laughery Creek), and also the lower Silurian areas along the western creeks

A map of the counties of Dearborn, Ohio, Switzerland, Jefferson and Ripley showing the location of sections and collecting localities and the boundary between the Ordovician and Silurian systems

5. A map of the counties of Dearborn, Ohio, Switzerland, Jefferson and Ripley showing the location of sections and collecting localities and the boundary between the Ordovician and Silurian systems

Geological map of middle and eastern Jefferson County, outlining the eastern border of the upper Silurian

6. Geological map of middle and eastern Jefferson County, outlining the eastern border of the upper Silurian

Geological map of eastern Clark County, outlining the eastern border of the upper Silurian

7. Geological map of eastern Clark County, outlining the eastern border of the upper Silurian