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You searched for: Creator Edward Steidle Remove constraint Creator: Edward Steidle Creator HB Northrup Remove constraint Creator: HB Northrup Object Type Generic Work Remove constraint Object Type: Generic Work Publisher Pennsylvania State University Remove constraint Publisher: Pennsylvania State University Resource Type Book Remove constraint Resource Type: Book
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  1. Correspondence and Extension-Class Instruction

    Resource Type: Book
    Creator: Edward Steidle and H.B. Northrup
    Keyword: Earth and Mineral Sciences Experiment Station Circulars
    Publisher: Pennsylvania State University
    Object Type: GenericWork
    Date Uploaded: 2014-09-17T22:19:56Z
  2. Circular 24

    Resource Type: Book
    Creator: H.B. Northrup and Edward Steidle
    Keyword: Earth and Mineral Sciences Experiment Station Circulars
    Publisher: Pennsylvania State University
    Object Type: GenericWork
    Date Uploaded: 2014-09-17T22:19:55Z
  3. Mineral Industries Correspondence and Extension Class Instruction

    Resource Type: Book
    Creator: Edward Steidle and H.B. Northrup
    Keyword: Earth and Mineral Sciences Experiment Station Circulars
    Publisher: Pennsylvania State University
    Object Type: GenericWork
    Date Uploaded: 2014-09-17T22:19:49Z
  4. Circular 18

    Resource Type: Book
    Creator: H.B. Northrup and Edward Steidle
    Keyword: Earth and Mineral Sciences Experiment Station Circulars
    Publisher: Pennsylvania State University
    Object Type: GenericWork
    Date Uploaded: 2014-09-17T22:19:49Z