References: |
Glaeser, J. D., 1974 |
Upper Devonian Stratigraphy and Sedimentary Environments in Northeastern Pennsylvania |
Fourth Series Harrisburg, General Geology Report, Pennsylvania Geological Survey, Publication code 63, 64 p. |
Lesure, F. G., 1977 |
Exploration Geochemical Studies of Some Sandstone Copper-Uranium Deposits, Bradford, Columbia and Lycoming Counties, Pennsylvania |
Journal of Research of the U.S. Geological Survey, Volume 5, p. 609 - 621 |
Mccauley, J. F., 1961 |
Uranium in Pennsylvania |
Fourth Series Bulletin, Pennsylvania Geological Survey, Publication code M43, 71 p. |
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