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1. Small spores applicable to stratigraphic correlation in the Dunkard basin of West Virginia and Pennsylvania.

["Monograph. "]

2. Discussion of the records of some very deep wells in the Appalachian oil fields of Pennsylvania and West Virginia.

3. The Possibility of deep sand oil and gas in the Appalachian geosyncline of West Virginia.

["Pamphlet.  Excerpted from:  \"Geological Report on Virginia, by Prof. Wm. B. Rogers--1836\".<br />"]

4. West Virginia, Kentucky, and Tennessee : the great coal, iron and timber region of America.