| Reference | {Deposit:: BRETZ, J. HARLEN, 1950 ORIGIN OF THE FILLED SINK-STRUCTURES AND CIRCLE DEPOSITS OF MISSOURI: GEOLOGICAL SOCIETY OF AMERICA BULLETIN, V. 61 , P. 789 - 834}{Deposit:: CRANE, G. W., 1912 , THE IRON ORES OF MISSOURI: MISSOURI BUREAU OF MINES AND GEOLOGY, 2ND SER., V. 10 , P. 295 .}{Deposit:: NASON, FRANK L., 1892 , A REPORT ON THE IRON ORES OF MISSOURI: MISSOURI GEOLOGICAL SURVEY, 1ST SER., V. 2 , P. 321 .}{Production:: NASON, FRANK L., 1892 , MISSOURI GEOLOGICAL SURVEY, 1ST SER., V. 2 , P. 321 .} |