Search Results for the EPA National Library Catalog

Items Found: 4
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Your Search: (SUBJECT=Geology Pennsylvania Jefferson County)

Select Item Title Year Published
Geology and mineral resources of the Hazen, Falls Creek, Reynoldsville, and Dubois quadrangles, Clearfield and Jefferson Counties, Pennsylvania / 1978
Geology and mineral resources of the Sabula and Penfield quadrangles, Clearfield, Elk, and Jefferson Counties, Pennsylvania / 1976
Geology of the Elk Run gas pool, Jefferson County, Pennsylvania / 1969
Oil and gas developments in Pennsylvania in 1971 / 1972

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