HARBOUR, R. L.
Coal resources of Trinidad-Aguilar area Las Animas and Huerfano counties, Colorado / by R. L. Harbour and G. H. Dixon. -- Washington : United States Government Printing Office, 1959 - P. 446-488 + map. -- (Geological Survey Bulletin ; 1072-G).
Colorado
Geología
55(788)
Coal resources of Trinidad-Aguilar area Las Animas and Huerfano counties, Colorado / by R. L. Harbour and G. H. Dixon. -- Washington : United States Government Printing Office, 1959 - P. 446-488 + map. -- (Geological Survey Bulletin ; 1072-G).
Colorado
Geología
55(788)