Search Results for the EPA National Library Catalog

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Your Search: (AUTHOR=Shaffner AND Marchant AND Nissley)

 
 
 

Select Item Title Year Published
Geology and mineral resources of the Donegal quadrangle, Pennsylvania / 1963
Geology and mineral resources of the New Florence quadrangle, Pennsylvania. 1958
Geology and mineral resources of the Smicksburg quadrangle, Pennsylvania 1969

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