| Reference | {Deposit:: BASTIN, E.S., 1937, ORE DEPOSITS OF THE SAN CARLOS MOUNTAINS, IN KELLUM, L.B., ED., THE GEOLOGY AND BIOLOGY OF THE SAN CARLOS MOUNTAINS, TAMAULIPAS, MEXICO: ANN ARBOR, UNIVERSITY OF MICHIGAN PRESS, P. 159-206.}{Deposit:: WENTWORTH, I.H., 1912, THE SAN NICOLAS MINING DISTRICT, SAN NICOLAS, TAMAULIPAS, MEXICO: AIME TRANS., V. 43, P. 304-313.} |