Search Results for the EPA National Library Catalog

Items Found: 4
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Your Search: (AUTHOR=Skema AND Viktoras AND W)


 
 
 
Select Item Title Year Published
Bituminous coal resources in Western Pennsylvania / 1974
Bituminous coal resources in western Pennsylvania / 1975
The economic geology of the Upper Freeport coal in northeastern Greene County, Pennsylvania / 1982
The economic geology of the Upper Freeport coal in the New Stanton area of Westmoreland County, Pennsylvania : a model for coal exploration / 1979

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