Search Results for the EPA National Library Catalog

Items Found: 10

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Your Search: (SUBJECT=Geology Pennsylvania Elk County.)

 
 
 

Select Item Title Year Published
Geologic map of the Clarion River roadless area, Elk County, Pennsylvannia 1982
Geology and mineral resources of the Sabula and Penfield quadrangles, Clearfield, Elk, and Jefferson Counties, Pennsylvania / 1976
Oil and gas developments in Pennsylvania in 1980 with ten year review and forecast / 1981
Oil and gas developments in Pennsylvania in 1981 / 1982
Oil and gas developments in Pennsylvania in 1983 / 1984
Oil and gas developments in Pennsylvania in 1986 / 1987
Oil and gas developments in Pennsylvania in 1987 / 1988
Oil and gas developments in Pennsylvania in 1988 / 1989
Oil and gas developments in Pennsylvania in 1989 / 1990
Oil and gas developments in Pennsylvania in 1990 : with ten-year review and forecast / 1992

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