| Reference | {Deposit:: WORLD MINING.UNITED STATES OPEN PIT MINE PRODUCTION, 1970,}{Deposit:: 1973, AND 1976, PAGES 98, 167, AND 199 RESPECTIVELY.}{Deposit:: ENGINEERING AND MINING JOURNAL. NORTH AMERICAN IRON ORE}{Deposit:: PRODUCERS START UP NEW PROJECTS. NOV. 1974, PAGES 100}{Deposit:: AND 101.}{Deposit:: ENGINEERING AND MINING JOURNAL. BUTLER PRODUCES SOME OF THE}{Deposit:: CLEANEST PELLETS IN UNITED STATES. NOV. 1974, PAGES 110}{Deposit:: TO 112.}{Deposit:: MARSDEN, R. W., IRON ORE RESERVES OF THE MESABI RANGE,}{Deposit:: MINNESOTA. U. S. BUREAU OF MINES MINERALS}{Deposit:: AVAILABILITY REPORT, CONTRACT, OPEN FILE REPORT #109-80,}{Deposit:: 73P.}{Deposit:: MARSDEN, R. W., EMANUELSON, J. W., OWENS, J.S., WALKER, N. E}{Deposit:: AND WERNER, R. F., THE MESABI IRON RANGE, MINNESOTA,}{Deposit:: ORE DEPOSITS OF THE UNITED STATES. V1, PAGES 518 TO 537.}{Deposit:: MINNESOTA MINING DIRECTORY, 1980, LOCATION MAP PAGE 17,}{Deposit:: BUTLER TACONITE MINE PAGE 58, BUTLER TACONITE PLANT}{Deposit:: PAGE 260.}{Deposit:: NOTES AND GENERAL INFORMATION OBTAINED BY FIELD VISIT TO}{Deposit:: BUTLER TACONITE BY CRAIG SMITH, 1979.}{Deposit:: SKILLINGS MINING REVIEW, JULY 26, 1986, P. 19.}{Production:: ENGINEERING AND MINING JOURNAL. NATIONAL STEEL PELLET CO.}{Production:: EXPANDS. SEPT. 1979 PAGES 104 TO 109.}{Production:: SKILLINGS MINING REVIEW. NATIONAL STEEL PELLET PLANT. JAN.}{Production:: 10, 1970, PAGES 7 TO 11.}{Production:: NOTES ON NATIONAL STEEL PELLET PLANT TAKEN BY DAN WITKOWSKY} |