Program: HathiTrust Digital Library

  • Publisher: Pennsylvania Bureau of Topographic and Geologic Survey
  • Print ISSN:
  • Electronic ISSN:
  • OCLC Number: 1950596
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
bull.C2 (1932); bull.C1 (1932); no.1 1932; no.26 maps; no.30 1932; bull.C67 (1939); bull.C48 (1939); no.39; no.48; no.48 1939; no.52; no.67 1939; bull.C26 (1940); no.26 1940; bull.C39 (1941); no.39 1941; bull.C9 (1959); no.9 pt.1 1959
committed to retain 2022-10-20 HTDL