Program: HathiTrust Digital Library

  • Publisher: Dept. of Mines and Energy
  • Print ISSN: 0159-7043
  • Electronic ISSN:
  • OCLC Number: 6572301
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
1977-1978 1977-1978; 1978/1979-1988/1989; 1982-90; 1989/1990-1996/1997
committed to retain 2019-02-14 HTDL