Program: HathiTrust Digital Library
- Publisher: U.S. Geological Survey ; For sale by the Supt. of Docs., U.S. G.P.O.
- Print ISSN: 0894-7163
- Electronic ISSN:
- OCLC Number: 15041297
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
v.6-9:inc. 1974-1977; v.10-13:inc. 1978-1981; v.14-17:inc. 1982-1985; v.18-19; v.18-19(1986-1987); v.18-19 1986-1987; v.18 no.6; v.19 (1987); v.18:1-2,4-6;19:1-4;20:1-3,5 (1986-88); v.18-21:inc. 1986-1989; v.20-21; v.20-21(1988-1989); v.20-21 1988-1989; v.22-23; v.22 1990; v.22 1990-1991; v.23-24(1992-1993); v.23 1992; v.23 no.1-2, 4-6 1992; v.22-25:inc. 1990-1994; v.24; v.24-v.25 no.1-2 1993-94; v.25:1; v.25:2; v.25 no.1-2
|
committed to retain | 2019-04-21 | HTDL |
|