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You searched for: Format pdf (Portable Document Format) Remove constraint Format: pdf (Portable Document Format) Keyword goldschmidt conference Remove constraint Keyword: goldschmidt conference Language English Remove constraint Language: English Subject Geology--Pennsylvania--Centre County Remove constraint Subject: Geology--Pennsylvania--Centre County
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  1. Geology and History of Iron Production in Centre County, PA

    Resource Type: Book
    Creator: Slingerland, Rudy
    Keyword: Goldschmidt Conference, Curtin Village, and guidebook
    Subject: Iron ores--Geology and Geology--Pennsylvania--Centre County
    Language: English
    Object Type: GenericWork
    Date Uploaded: 2015-10-19T23:55:07Z