Reference | {Deposit:: LUFT, STANLEY, 1958, NORTHERN PACIFIC RAILWAY COMPANY}{Deposit:: PROPERTIES AND INDUSTRIAL DEVELOPMENT DEPARTMENT, PHOSPHATE}{Deposit:: REPORT, 106 PAGES}{Deposit:: U.S. GEOLOGICAL SURVEY BULLETIN 795-G, 1928, P. 192.}{Deposit:: MINOBRAS, 1975, MONTANA INDUSTRIAL MINERALS, P. 33.} |