Program: HathiTrust Digital Library

  • Publisher: U.S. Dept. of the Interior, Geological Survey; [For sale by the Supt. of Docs., U.S. Govt. Print. Off.]
  • Print ISSN: 0147-8478
  • Electronic ISSN:
  • OCLC Number: 2386064
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
1974/1975; 1975*; 1975-1976; 1975-76; 1976*
committed to retain 2019-04-15 HTDL