VHAY, John S.
Geology and mineral deposits of the area South of Telluride Colorado / by John S. Vhay. -- Washington : United States Government Printing Office, 1962 - P. 209-310 + map. -- (Geological Survey Bulletin ; 1112-G).
Colorado
Depósitos de minerales
553(788)
Geology and mineral deposits of the area South of Telluride Colorado / by John S. Vhay. -- Washington : United States Government Printing Office, 1962 - P. 209-310 + map. -- (Geological Survey Bulletin ; 1112-G).
Colorado
Depósitos de minerales
553(788)