The purpose of this study was to provide an evaluation of the current state-of-the-art information concerning the availability, need, use, and degradation of the water systems associated with Mesabi Range iron ore mining. The study was carried out in three phases: (1) characterization of the Minnesota iron ore industry and associated water systems on a regional basis, (2) detailed individual case analysis of present and future iron ore developments and the associated watershed systems, and (3) impacts of potential copper-nickel development on the watershed requirements of the iron ore industry. The conclusions are presented in a summary preceding the three phases of the report.
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