Program: HathiTrust Digital Library

  • Publisher: Information Access Branch, Information Management and Services Division, U.S. Environmental Protection Agency :
  • Print ISSN:
  • Electronic ISSN:
  • OCLC Number: 24771439
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
1991-1993; 1995/1996; 1995-1996 1995-1996; 995-96
committed to retain 2018-03-13 HTDL