Program: HathiTrust Digital Library

  • Publisher: Geological Survey of Pennsylvania
  • Print ISSN:
  • Electronic ISSN:
  • OCLC Number: 6865085
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
v.2; v.2 1838; v.3 1839; v.1-4 (1836-1840); v.1-6 1836-1841; v.4,6 1840-1842; v.3-5 (1939-41)
committed to retain 2021-02-26 HTDL