Program: HathiTrust Digital Library

  • Publisher: [Colorado State Highway Dept.]
  • Print ISSN:
  • Electronic ISSN:
  • OCLC Number: 11880590
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
v.1 (1922); v.1-3(1922-1924); v.4(1925); v.5(1926)
committed to retain 2022-10-04 HTDL