| Reference | {Deposit:: MONT IND MINERALS,MINOBRAS,1975,P}{Deposit:: LUFT, STANLEY, 1958, NORTHERN PADIFIC RAILWAY COMPANY}{Deposit:: PROPERTIES AND INDUSTRIAL DEVELOPMENT DEPARTMENT, PHOSPHATE}{Deposit:: REPORT, 106 PAGES}{Deposit:: PETERSON, J.A., 1954, STRATIGRAPHIC SECTIONS OF THE}{Deposit:: PHOSPHORIA FORMATION IN MONTANA, 1951: USGS CIR 326, 27 PP} |