Program: HathiTrust Digital Library

  • Publisher: [Division of Geology]
  • Print ISSN:
  • Electronic ISSN:
  • OCLC Number: 11432280
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
1933-1934; 1933-34 1935; 1934-36 1937; 1936-38 1939; 1938-40 1941; 1940-42 1943; 1933/34, 1936/38-1942/44; 1942-44 1944
committed to retain 2019-08-03 HTDL