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
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
committed to retain 2022-09-19 HTDL