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Creator
Foerste, Aug. F. (Aug. Frederic), 1862-1936
Remove constraint Creator: Foerste, Aug. F. (Aug. Frederic), 1862-1936
Publisher
Indiana. Department of Geology and Natural Resources
Remove constraint Publisher: Indiana. Department of Geology and Natural Resources
Subject
Topical Subject: Geology, Stratigraphic--Silurian
Remove constraint Subject: Topical Subject: Geology, Stratigraphic--Silurian