Program: HathiTrust Digital Library

  • Publisher: Geological Survey
  • Print ISSN: 0416-8712
  • Electronic ISSN:
  • OCLC Number: 4447847
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
no.2, 4-7 (1953-1958); no.4-7 (1956-61); no.5-7 1958-1961; v.1(1954); v.5(1958); v.6(1961); v.7(1961)
committed to retain 2020-07-30 HTDL