Search Results for the EPA National Library Catalog

Items Found: 8
Showing: Items 1 - 8
Your Search: (SUBJECT=Precambrian Geologic Period.)


 
 
 
Select Item Title Year Published
Earth's earliest biosphere : its origin and evolution / 1983
Geology of the Elmers Rock greenstone belt, Laramie Range, Wyoming / 1982
Origin of mineralized water in Precambrian rocks of the Upper Paraíba Basin, Paraíba, Brazil / 1972
Pre-Cambrian geology of the Boyertown Quadrangle / 1959
Precambrian basement map of Wyoming : outcrop and structural configuration / 1989
Precambrian structure map of North Dakota / 1988
The Precambrian geology of the Reading 15' quadrangle / 1962
The Precambrian in the subsurface of northwestern Pennsylvania and adjoining areas / 1968

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