Program: HathiTrust Digital Library
- Publisher: U.S. Dept. of the Interior, Geological Survey
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 8913791
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
Materials | Archive Action | Date of Action | Program | Status/Note |
---|---|---|---|---|
1981:v.1*; 1981:v.2*; 1981:v.3*; 1982:v.1*; 1982:v.2*; 1983:v.2*; 1984*; 1985*; 1986*; 1987; 1987*; 1988*; 1989*; 1990; 1992-2001
|
committed to retain | 2015-02-11 | HTDL |
|