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Stratigraphy of the Bitmuninous Coal Field of Pennsylvania, Ohio and West Virginia
From introduction: This report deals with the Middle and Upper Carboniferous System.
Date:
1891
Creator:
White, Israel C.
System:
The UNT Digital Library
Correlation Papers: Eocene
From outline: This essay comprises, first, a general discussion of the limitations of the term Eocene as employed in American geology. The two-fold character of the Tertiary (1. Eocene, 2. Neocene) in America is insisted on. After a somewhat extended review of the literature, in which the various opinions upon disputed points are especially considered, a general study of the stratigraphical, paleontological, and topographical characteristics of the Eocene in the various portions of the country is undertaken.
Date:
1891
Creator:
Clark, William Bullock
System:
The UNT Digital Library