| Reference | {Deposit:: CRANE, G. W., 1912 , THE IRON ORES OF MISSOURI: MISSOURI BUREAU OF MINES AND GEOLOGY, 2ND SER., V. 10 , P. 290 .}{Deposit:: NASON, FRANK L., 1892 , A REPORT ON THE IRON ORES OF MISSOURI: MISSOURI GEOLOGICAL SURVEY, 1ST SER., V. 2 , P. 321 , 226 .}{Deposit:: 1912 DIREXPL COMMERCIAL ACID COMPANY OF ST. LOUIS, DRILLING SHOWED AS MUCH AS 32 FT. OF SULPHIDE}{Production:: NASON, FRANK L., 1892 , MISSOURI GEOLOGICAL SURVEY, 1ST SER., V. 2 , P. 321 .} |