Program: HathiTrust Digital Library

  • Publisher: Water Resources Division, U.S. Geological Survey
  • Print ISSN: 0098-3691
  • Electronic ISSN:
  • OCLC Number: 3157280
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
1973-1974; 1975 1975; 1976; 1977 1977; 1973-1978; 1978-1979; 1980-1981; 1981-1982; 1982 1982; 1983; 1983 1983; 1984-1987; 1989
committed to retain 2018-08-18 HTDL