Program: HathiTrust Digital Library
- Publisher: Pennsylvania School of Mineral Industries and Experiment Station
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 5538307
- Validation: None
- Retention: permanent
- Institution: HathiTrust
- Facility:
- OCLC Symbol: HATHI
- Holdings Format: Print
Materials | Archive Action | Date of Action | Program | Status/Note |
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11th 1947; 12th 1948; 13th 1949; 1944-50 1944-1950; 14th 1950; 15th 1951; 16th 1952; 17th 1953; 18th 1954; 19th 1955; 21st 1959; 22th 1961; 23th 1962; 24th 1963; 25th 1966
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committed to retain | 2022-09-19 | HTDL |
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