Reference | {Deposit:: U.S. GEOLOGICAL SURVEY BULLETIN 842, 1933, P. 266.}{Deposit:: U.S. GEOLOGICAL SURVEY BULLETIN 1151, 1963, PLATE 1.}{Deposit:: MONT. BUREAU OF MINES AND GEOL. BULLETIN 98, 1976, P. 13, 50.}{Deposit:: U.S. BUREAU OF MINES OPEN-FILE REPORT MLA 41-88, 1988, P. 54-55.} |