Program: HathiTrust Digital Library

  • Publisher: National Park Service, U.S. Dept. of the Interior : For sale by the Supt. of Docs., U.S. G.P.O.
  • Print ISSN: 0270-1308
  • Electronic ISSN:
  • OCLC Number: 1118472
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
no.7D yr.1971; no.12-14 yr.1974; no.7g 1975; no.7H yr.1980; v.15(1976); no.10; no.15; no.16-17; no.18; no.18A; no.18B; no.18D; no.20 (plates); no.20 (text)
committed to retain 2019-04-14 HTDL