| Reference | {Deposit:: CRIB}{Deposit:: LUFT, STANLEY, 1958, NORTHERN PACIFIC RAILWAY CO.,}{Deposit:: PROPERTIES AND INDUST. DEVELOP. DEPT., P2O5 REPORT.}{Deposit:: PARDEE, J.T., 1921, PHOSPHATE ROCK NEAR MAXVILLE, GRANITE}{Deposit:: COUNTY, MT: USGS BULL 715-J, PP. 141-145, 1921.} |