Program: HathiTrust Digital Library
- Publisher: U.S. Dept. of the Interior, Geological Survey ; National Technical Information Service, distributor
- Print ISSN: 0741-0697
- Electronic ISSN:
- OCLC Number: 9094575
- 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.2-3; 1983 v.1; 1983 v.2-3; 1984 v.1; 1984 v.2-3; 1985 v.2-3; 1986-1990; 1992; 1993 pt.1; 1993 pt.2; 1994 pt.1; 1994 pt.2; 1995 pt.1; 1995 pt.2; 1996 pt.1; 1996 pt.2; 1997 pt.2; 1998 pt.1; 1998 pt.2; 1999 pt.2; 2000 no.1; 2000 no.2; 2001; 2001 no.2
|
committed to retain | 2018-12-22 | HTDL |
|