Search Results for the EPA National Library Catalog

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Your Search: (SUBJECT=Geology Pennsylvania Jefferson Co)

 
 
 

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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