Program: HathiTrust Digital Library

  • Publisher: U.S. Dept. of the Interior, Geological Survey
  • Print ISSN:
  • Electronic ISSN:
  • OCLC Number: 8892400
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
1984-1985; 1986-1988; 1989-1991; 1992-1993; 1996-2000
committed to retain 2010-02-08 HTDL