Circular 9

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Work Title Circular 9
Subtitle Correspondence Courses and Extension Instruction in Mineral Industries
Access
Open Access
Creators
  1. Edward Steidle
Keyword
  1. Earth and Mineral Sciences Experiment Station Circulars
License Attribution-NoDerivs 3.0 United States
Work Type Book
Publisher
  1. Pennsylvania State University
Publication Date 1940
Deposited September 17, 2014

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  • Added 2fq977t24m_version1_circular9.pdf
  • Added Creator Edward Steidle
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