Search Results for the EPA National Library Catalog

Items Found: 4
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Your Search: (AUTHOR=Porter AND Fred AND H.)


 
 
 
Select Item Title Year Published
Coal map of Wyoming / 1991
Geologic map of the Gillette 30§ x 60§ quadrangle, Campbell, Crook, and Weston Counties, northeastern Wyoming / 1998
Industrial minerals and construction materials map of Wyoming / 1996
Precambrian basement map of Wyoming : outcrop and structural configuration / 1993

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