Program: HathiTrust Digital Library

  • Publisher: U.S. Dept. of the Interior, Geological Survey : National Technical Information Service, distributor
  • Print ISSN: 0147-2283
  • Electronic ISSN:
  • OCLC Number: 13769377
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
1981; 1982 v.1; 1982 v.2; 1982 v.3; 1983; 1984 v.2; 1985; 1986 v.2; 1987; 1988 v.2; 1989 v.2; 1994-1995; 1996-1997
committed to retain 2018-12-24 HTDL