Reference | {Deposit:: MONT IND MINERALS,MINOBRAS,1975,P 32}{Deposit:: SWANSON, R.W., 1970, MINERAL RESOURCES IN PERMIAN ROCKS}{Deposit:: OF SOUTHWEST MONTANA, USGS PROF PAPER 313-E P. 661-777}{Deposit:: LUFT, STANLEY, 1958, NORTHERN PACIFIC RAILWAY COMPANY}{Deposit:: PROPERTIES AND INDUSTRIAL DEVELOPMENT DEPARTMENT, PHOSPHATE}{Deposit:: REPORT, P. 106} |