Program: HathiTrust Digital Library

  • Publisher: Instituto de Geología [etc.]
  • Print ISSN:
  • Electronic ISSN:
  • OCLC Number: 1757261
  • Validation: None
  • Retention: permanent
  • Institution: HathiTrust
  • Facility:
  • OCLC Symbol: HATHI
  • Holdings Format: Print
Materials Archive Action Date of Action Program Status/Note
v.1 1917-1923; v.2 1925-1927; t.3-5 (1929-30); v.4-5 1930; v.8-15 incompl. 1946-1959; t.15-21 (1959-63); v.16-25 1960-1967; v.20-26 1962-1968; t.22-26 (1964-68); v.26 1968
committed to retain 2019-01-01 HTDL