Reference | {Deposit:: U.S. BUREAU OF MINES IC 7602, 1951, P. 19-21.}{Deposit:: MONT. BUREAU OF MINES AND GEOL. IC 20, 1957, P. 26.}{Deposit:: MONT. BUREAU OF MINES AND GEOL. BULLETIN 30, 1962, P. 26.}{Deposit:: U.S. GEOLOGICAL SURVEY PROF.PAPER 752, 1973, FIG. 25, P. 46.} |