Program: HathiTrust Digital Library

  • Publisher: Iowa Geological Survey
  • Print ISSN: 0270-9066
  • Electronic ISSN:
  • OCLC Number: 4296327
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
no.1-5 (1976); no.6 1977; no.6-8 1977-78; no.7-8 1978; no.7-9 (1978-80); no.8-11 1978-80; no.9 1980; no.10 (1980); no.11-12 (1980-84); no.13-14 1985; no.29 1994; v.1-5(1976); v.7-10(1978-1980); no.10-13
committed to retain 2019-12-05 HTDL