Program: HathiTrust Digital Library
- Publisher: Geologisch Bureau voor het Nederlandsche Mijngebied te Heerlen
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 8886478
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
| Materials | Archive Action | Date of Action | Program | Status/Note |
|---|---|---|---|---|
|
1926 1926; 1928 1928; 1930 1929-1930; 1932 1932; 1933 1933; 1929 1926-1927
|
committed to retain | 2023-02-25 | HTDL |
|