Search Results for the EPA National Library Catalog

Items Found: 4
Showing: Items 1 - 4
Your Search: (AUTHOR=Berkheiser AND Samuel AND W)

Select Item Title Year Published
Fetid barite occurrences, western Berks County, Pennsylvania / 1984
High-purity silica occurrences in Pennsylvania / 1985
Reconnaissance survey of potential carbonate whiting sources in Pennsylvania / 1983
Rocks and minerals of Pennsylvania / 1991

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