Reference | {Deposit:: LUFT, S., 1958, NORTHERN PACIFIC RAILWAY CO. PROPERTIES AND}{Deposit:: INDUSTRIAL DEVELOPMENT DEPT. PHOSPHATE REPORT, P. 102.}{Deposit:: U.S. GEOLOGICAL SURVEY CIRCULAR 303, P. 18.}{Deposit:: U.S. BUREAU OF MINES RI 6611, 1965, P. 109.}{Deposit:: MRB 113, P. 84.}{Deposit:: MONT. INDUS. MINERALS MINOBRAS, 1975, P. 50.} |