Search Results for the EPA National Library Catalog

Items Found: 3

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Your Search: (AUTHOR=Kohl AND William AND R.)

 
 
 

Select Item Title Year Published
Map of coal-mining features, Allegheny County, Pennsylvania 1976
Map of rock types in bedrock of Allegheny County, Pennsylvania 1975
Map of zones where land use can be affected by landsliding, flooding, and undermining, Allegheny County, Pennsylvania 1975

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