Program: HathiTrust Digital Library

  • Publisher: U.S. Dept. of the Interior, Geological Survey ; National Technical Information Service, distributor
  • Print ISSN: 0364-4332
  • Electronic ISSN:
  • OCLC Number: 8808462
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
1974/1975; 1978/79 v.2; 1981 v.1; 1981 v.2; 1983-1986; 1987 v.1; 1987 v.2; 1988 v.1; 1988 v.2; 1989-1990; 1991 v.1; 1991 v.2; 1992 v.1; 1992 v.2; 1993-1995
committed to retain 2019-12-14 HTDL