Program: HathiTrust Digital Library

  • Publisher: U.S. Dept. of the Interior, Geological Survey
  • Print ISSN: 0364-4383
  • Electronic ISSN:
  • OCLC Number: 1688869
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
1964/65 PT.1-2; 1965; 1965*; 1965/66 PT.1-2; 1966; 1966*; 1966/67 PT.1-2; 1967; 1967*; 1965-68; 1967/68 PT.1-2; 1968; 1968*; 1968/69 PT.1-2; 1969; 1969*; 1969/70 PT.1-2; 1970; 1970*; 1969-71; 1970/71 PT.1-2; 1971; 1971*; 1971/72 PT.1-2; 1972; 1972*; 1972-73; 1973; 1973*; 1973/74 PT.1-2; 1974; 1974*; 1974/75 PT.1; 1975; 1975:pt.1*; 1975/1976-1976; 1976:pt.1*; 1976/77 PT.1; 1976/77 PT.2; 1977; 1977:pt.1*; 1977:pt.2*; 1977/78 PT.1; 1977/78 PT.2; 1978; 1978:pt.1*; 1978:pt.2*; 1978:v.1; 1978:v.2; 1979; 1979:pt.1*; 1979:pt.2*; 1979:v.1; 1979:v.2; 1980; 1980:pt.1*; 1980:pt.2*; 1980:v.1; 1980:v.2; 1990:pt.2*; 1991/v.1*; 1991/v.2*; 1992:v.1 (1992); 1993:v.1*; 1993:v.2*
committed to retain 2018-11-10 HTDL