| Reference | {Deposit:: MONT IND MINERALS,MINOBRAS,1975,P}{Deposit:: LUFT, STANLEY, 1958, NORTHERN PACIFIC RAILWAY COMPANY}{Deposit:: PROPERTIES AND INDUSTRIAL DEVELOPMENT DEPARTMENT, PHOSPHATE}{Deposit:: REPORT, 106 PAGES}{Deposit:: PARDEE, J.T., THE GARRISON AND PHILIPSBURG PHOSPHATE FIELDS,}{Deposit:: MONTANA: USGS BULL. 640-K, P.223, 1917} |