Program: HathiTrust Digital Library

  • Publisher: College of Earth and Mineral Sciences, Pennsylvania State University
  • Print ISSN:
  • Electronic ISSN:
  • OCLC Number: 7497055
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
no.77-83 1961-1967
committed to retain 2018-09-01 HTDL