Program: HathiTrust Digital Library

  • Publisher: Geological Survey
  • Print ISSN:
  • Electronic ISSN:
  • OCLC Number: 1753000
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
no.2-10 1949-1956; no.11-20 1957-1960; no.21-29 1960; no.30 1971; v.1-10; v.11-21; v.22-30(1960-1971); no.31 1974
committed to retain 2020-02-02 HTDL