| 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:: SWANSON, R.W., 1956, STRATIGRAPHIC SECTIONS OF THE PHOSPHORI}{Deposit:: A FORMATION, 1953: USGS CIRC. 375, P. 20} |