Search Results for the EPA National Library Catalog

Items Found: 3

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Your Search: (SUBJECT=MINES {AND} MINERAL RESOURCES PENNSYLVANIA CLEARFIELD COUNTY.)

 
 
 

Select Item Title Year Published
Geology and mineral resources of the Blandburg, Tipton, Altoona, and Bellwood quadrangles, Blair, Cambria, Clearfield, and Centre Counties, Pennsylvania / 1989
Geology and mineral resources of the Ramey and Houtzdale quadrangles, Clearfield and Centre counties, Pennsylvania 1977
Geology and mineral resources of the Sabula and Penfield quadrangles, Clearfield, Elk, and Jefferson Counties, Pennsylvania / 1976

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