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Summarized record of deep wells in Pennsylvania / by Chas. R. Fettke
Fettke, Charles R. (Charles Reinhard), 1888-1959. · Dept. of Internal Affairs, Topographic and Geologic Survey
162 sayfa · 1950
Geology, Stratigraphic
The Bradford oil field, Pennsylvania and New York / by Charles R. Fettke.
Fettke, Charles R. (Charles Reinhard), 1888-1959. · Dept. of Internal Affairs, Topographic and Geologic Survey
518 sayfa · 1938
Petroleum -- New York (State)