Program: HathiTrust Digital Library

  • Publisher: U.S. Dept. of the Interior, Geological Survey
  • Print ISSN: 1933-2939
  • Electronic ISSN:
  • OCLC Number: 10035447
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
1964/65 no.1; 1964/65 no.2; 1965/66 pt.1; 1966/67 no.1; 1966/67 no.2; 1967/68 no.1; 1967/68 no.2; 1968/1969-1969/1970; 1971/72 no.1; 1972/73 no.1; 1973/74 no.1; 1976/1977-1979/1980; 1981-1985; 1985-1986; 1986-2003; 03-1; 02-1; 01-1; 00-1; 99-1; 98-1
committed to retain 2019-02-19 HTDL