Complete Preliminary Draft Environmental Environmental Resources

Impact Statement (CPDEIS) Management, Inc.

NorthMet Project

References

3.0 PROPOSED ACTION AND PROJECT ALTERNATIVES

RS02 Barr Engineering, Inc. (Barr), 2006e, “RS 02 – Hydrogeological – Drill Hole Monitoring and Data Collection – Phase 1 Hydrogeologic Investigation – Phase 1, PolyMet

RS18 Barr Engineering, Inc. (Barr), 2007, “Mine Design and Schedule with Backfill,” RS18, Draft-01, September 5.

RS21 Barr Engineering, Inc. (Barr), 2007, “Mine Site Water Balance, PolyMet NorthMet Mine Site” RS21, Draft-02, March 5, 14p.

RS22 Barr Engineering, Inc. (Barr), 2007f, “Mine Waste Water Management for the PolyMet NorthMet Mine Site,” RS22 Technical Detail Report, March 6, Draft-01, 60 p., 20 tables, 39 figures, 2 appendices.

RS23T Reactive Waste Rock, Lean Ore, Deferred Grade Ore Segregation for information regarding liner performance

RS24 Barr Engineering Co., 2007e. Mine Surface Water Runoff for the PolyMet NorthMet Mine Site. Technical Detail Report (RS24). Prepared for PolyMet Mining, Inc., Minneapolis, MN. March 6, 2007.

RS25 Barr Engineering, Inc. (Barr), 2007c, “Mine Diking/Ditching Effectiveness Study (RS25) for the PolyMet NorthMet Mine,” Draft-01, February 21, 32 p., 4 tables, 13 figures, 5 appendices.

RS29T Barr Engineering, Inc., (Barr), 2007l, “Technical Design Evaluation Report RS29T – Wastewater Treatment Technology NorthMet Project,” Draft-02, March 30, Addendum, October, 8 sections, 14 tables, 5 figures, 11 appendices.

RS43 Mine Waste Management Plan

RS45 Water Treatment Studies-Waste Rock, Lean Ore

RS52 Barr Engineering, Inc. (Barr), 2007m, “PolyMet Technical Design Evaluation Report, RS52 Mine Closure Plan Report,” Draft-01, July 20, 9 sections, 34 figures, 4 appendices.

RS52 Mine Closure Plan Report, July 2007

RS55T Barr Engineering, Inc. (Barr), 2007, “Tailings Basin Modifications to Eliminate Water Release via Seepage,” RS55T, Technical Design Evaluation Report, February 13, Draft-02, 34 p., 3 tables, 23 figures, 2 appendices.

RS74 Barr Engineering, Inc., (Barr), 2007, “RS74 Water Quality Modeling,” Report for the PolyMet NorthMet Mine Site, Draft-01, July 30, 60 p., 38 tables, 29 figures, 8 appendices.

RS78 Barr Engineering, Inc. (Barr), 2007, “Block Ore and Waste,” Draft-01, March 2, 9 p., 13 figures.

GW01A Barr Engineering, Inc., (Barr) 2008, “Groundwater Impacts – Mine Site,” May 2008

Barr Engineering, Inc., (Barr) 2008, “Preliminary Geotechnical Evaluation: Flotation Tailings Basin,” May 30, 2008.

PolyMet, 2008, “PolyMet proposed response to 040308 letter 072408” Proposed Response to April 3, 2008 letter from John Engesser, July 24, 2008

4.1 WATER RESOURCES

RS02 Barr Engineering, Inc. (Barr), 2006e, “RS 02 – Hydrogeological – Drill Hole Monitoring and Data Collection – Phase 1 Hydrogeologic Investigation – Phase 1, PolyMet NorthMet Mine Site,” November 16, Draft-02, 15 p., 7 tables, 2 figures, 5 appendices, supplemental electronic data.

RS10 Barr Engineering, Inc. (Barr), 2006f, “RS 10 – Hydrogeological – Drill Hole Monitoring and Data Collection – Phase 2, Hydrogeologic Investigation – Phase II, PolyMet NorthMet Mine Site,” March 31, Draft-01, 13 p., 4 tables, 4 figures, 3 appendices, supplemental electronic data.

RS10A Barr Engineering, Inc. (Barr), 2007h, “RS10A – Hydrogeological – Drill Hole Monitoring and Data Collection – Phase 3,” March 15, Draft-01, 13 p., 3 tables, 11 figures, 2 appendices, supplemental electronic data on request for Aquifer Test Groundwater Elevation Data and Groundwater Analytical Data Reports.

RS13 Barr Engineering, Inc. (Barr), 2007e, “Tailings Basin and Hydrometallurgical Residue Water Balance Appendix A to RS39/40T,” RS13 Technical Detail Report, March 26, Draft-02, 22 p., 5 tables, 12 figures, 6 attachments.

RS14 Barr Engineering, Inc. (Barr), 2006g, “Wetland Delineation and Wetland Functional Assessment” RS14, November 20, Draft-02, 16 p., 6 tables, 9 figures, 1 appendix.

RS21 Barr Engineering, Inc. (Barr), 2007a, “Mine Site Water Balance, PolyMet NorthMet Mine Site” RS21, Draft-01, March 5, 14 p., 8 figures, 1 appendix.

RS25 Barr Engineering, Inc. (Barr), 2007c, “Mine Diking/Ditching Effectiveness Study (RS25) for the PolyMet NorthMet Mine,” Draft-01, February 21, 32 p., 4 tables, 13 figures, 5 appendices.

RS26 Barr Engineering, Inc., (Barr) 2005, “RS26 – Partridge River Level 1 Rosgen Geomorphic Survey, Rosgen Classification Partridge River from Headwaters to Colby Lake, Draft-01, December 8, 7 p., 1 table, 8 figures, 2 appendices.

RS39/40T Barr Engineering, Inc., (Barr) 2007g, “Technical Design Evaluation Report, RS39/40T, Tailings Basin Geotechnical and Design”, Draft-02, February 13, 41 p., 13 tables, 17 figures, 6 appendices.

RS49 Golder Associates, Inc. (Golder), 2007, “RS49 - Stockpile Conceptual Design,” February 16, Draft-01, 27 p., 17 tables, 1 figure, 12 drawings, 5 appendices.

RS55T Barr Engineering, Inc. (Barr), 2007g, “Tailings Basin Modifications to Eliminate Water Release via Seepage,” RS55T, Technical Design Evaluation Report, February 13, Draft-02, 34 p., 3 tables, 23 figures, 2 appendices.

RS63 Barr Engineering, Inc. (Barr), 2006b, “Technical Memorandum – Draft PolyMet Mining Baseline Surface Water Quality Information Report (RS63)”, Draft-01, February 9, 1 p., 4 tables, 1 figure.

RS64 Barr Engineering, Inc. (Barr), 2006c, “Technical Memorandum – Existing Tailings Basin Water Information (RS64),” Draft-01, February 7, 3 p., 1 table, 3 figures.

RS73A Barr Engineering, Inc. (Barr), 2006d, “Technical Memorandum – Streamflow and Lake Level Changes: Model Calibration Report for the PolyMet NorthMet Mine Site (RS73A),” Draft-01, November 20, 24 p., 9 tables, 32 figures.

RS73B Barr Engineering, Inc. (Barr), 2007d, “Streamflow and Lake Level Changes, Model Calibration Report (RS73A) and Hydrologic/Hydraulic Modeling Results (RS73B)” March, Draft-01, 68 p. and 79 p., 1 appendix.

RS76 Barr Engineering, Inc. (Barr), 2006a, “Technical Memorandum – Historical Surface Water Quality Data Compilation (RS76),” Draft-01, February 6, 4 p., 39 tables, 1 figure.

RS78 Barr Engineering, Inc. (Barr), 2007i, “Block Ore and Waste,” Draft-01, March 2, 9 p., 13 figures.

4.1.3 ENV CONSEQUENCES WATER RESOURCES

Adams, J.L., R.T. Leibfried and E.S. Herr, 2004, “Final Report, East Range Hydrology Project,” Report Prepared by the Minnesota Department of Natural Resources, Region 2, Grand Rapids, MN, March, 102 p.

Addison, W.D., Brumpton, G.R., Vallini, D.A., McNaughton, N.J., Davis, D.W., Kissin, S.A., Fralick, P.W., and Hammond, A.L., 2005, “Discovery of Distal Ejecta from the 1,850 Ma Sudbury Impact Event,” Geology, v. 33, p. 193-196.

Adolphson, D.G., J.F. Ruhl, and R.J. Wolf, 1981, “Designation of Principal Water-supply Aquifers in Minnesota,” USGS Water-Resources Investigations 81-51, Prepared in Cooperation with the U.S. Environmental Protection Agency, 19 p., 3 figures, 1 table.

Baker, D.G., W.W. Nelson and E.L. Kuehnast, 1979. Climate of Minnesota: Part XII – The hydrologic cycle and soil water. Technical Bulletin 322, Agricultural Experiment Station, University of Minnesota, 23 pp.

RS26 Barr Engineering, Inc. (Barr), 2005, “RS26 – Partridge River Level 1 Rosgen Geomorphic Survey, Rosgen Classification Partridge River from Headwaters to Colby Lake, Draft-01, December 8, 7 p., 1 table, 8 figures, 2 appendices.

RS76 Barr Engineering, Inc. (Barr), 2006a, “Technical Memorandum – Historical Surface Water Quality Data Compilation (RS76),” Draft-01, February 6, 4 p., 39 tables, 1 figure.

RS63 Barr Engineering, Inc. (Barr), 2006b, “Technical Memorandum – Draft PolyMet Mining Baseline Surface Water Quality Information Report (RS63)”, Draft-01, February 9, 1 p., 4 tables, 1 figure.

RS64 Barr Engineering, Inc. (Barr), 2006c, “Technical Memorandum – Existing Tailings Basin Water Information (RS64),” Draft-01, February 7, 3 p., 1 table, 3 figures.

RS14 Barr Engineering, Inc. (Barr), 2006g “Wetland Delineation and Wetland Functional Assessment” RS14, November 20, Draft-02, 16 p., 6 tables, 9 figures, 1 appendix.

RS21 Barr Engineering, Inc. (Barr), 2007a, “Mine Site Water Balance, PolyMet NorthMet Mine Site” RS21, Draft-01, March 5, 14 p., 8 figures, 1 appendix.

Barr Engineering, Inc. (Barr), 2007b, E-mail from Miguel Wong, Ph.D., P.E. Re: “PolyMet Data”, February 14.

RS25 Barr Engineering, Inc. (Barr), 2007c, “Mine Diking/Ditching Effectiveness Study (RS25) for the PolyMet NorthMet Mine,” Draft-01, February 21, 32 p., 4 tables, 13 figures, 5 appendices.

RS73A Barr Engineering, Inc. (Barr), 2007d, “Streamflow and Lake Level Changes, Model Calibration Report (RS73A) and Hydrologic/Hydraulic Modeling Results (RS73B)” March, Draft-01, 68 p. and 79 p., 1 appendix.

RS39/40T Barr Engineering, Inc. (Barr), 2007e, “Tailings Basin and Hydrometallurgical Residue Water Balance Appendix A to RS39/40T,” RS13 Technical Detail Report, March 26, Draft-02, 22 p., 5 tables, 12 figures, 6 attachments.

Barr Engineering, Inc. (Barr), 2007h, “RS10A – Hydrogeological – Drill Hole Monitoring and Data Collection – Phase 3,” March 15, Draft-01, 13 p., 3 tables, 11 figures, 2 appendices, supplemental electronic data on request for Aquifer Test Groundwater Elevation Data and Groundwater Analytical Data Reports.

Barr Engineering, Inc. (Barr), 2007i, “Block Ore and Waste,” Draft-01, March 2, 9 p., 13 figures.

RS39/40T Barr Engineering, Inc., (Barr) 2007j, “Technical Design Evaluation Report, RS39/40T, Tailings Basin Geotechnical and Design”, Draft-02, February 13, 41 p., 13 tables, 17 figures, 6 appendices.

Clark, Richard, Personal Communication, March 10, 2008. Email transmittal of 2007 supplemental groundwater monitoring at the Tailings Basin Area.

Golder Associates, Inc. (Golder), 2007, “RS49 - Stockpile Conceptual Design,” February 16, Draft-01, 27 p., 17 tables, 1 figure, 12 drawings, 5 appendices.

Hill, M.C., E.R. Banta, A.W. Harbough, and W.R. Anderman, 2000, “ MODFLOW-2000.The U.S. Geological Survey modular ground-water model – User Guide to the Observation, Sensitivity, and Parameter-estimation Processes and Three Post-processing Programs”, U.S. Geological Survey Open File Report 00-184.

Huff, F.A., and Angel, J.R., 1992, Rainfall Frequency Atlas of the Midwest. Bulletin 71 (MCC Research Report 92-03). Midwestern Climate Center – National Oceanic and Atmospheric Administration and Illinois State Water Survey – Illinois Department of Energy and Natural Resources.

Jennings, C.E., and W.K. Reynolds, 2005, “Surficial Geology of the Mesabi Iron Range, Minnesota,” Minnesota Geological Survey, Miscellaneous Map M-164, scale 1:100,000, http://www.geo.umn.edu/mgs/.

Jirsa, Mark A., Dale R. Setterholm, Bruce A. Bloomgren, Emily J. Bauer, and R.S. Lively, 2005a, “Depth to Bedrock Map, Bedrock Geology, Database, Bedrock Topography, and Depth to Bedrock Maps of the Eastern Half of the Mesabi Iron Range, Northern Minnesota,” Miscellaneous Map Series M-158, Plate 3 of 3 Depth to Bedrock Map, http://www.geo.umn.edu/mgs/.

Jirsa, Mark, Carrie Jennings, Val Chandler, and Harvey Thorleifson, 2005b, “Final Report to the Minerals Coordinating Committee on Bedrock and Quaternary Geologic Mapping of the Mesabi Range,” October 7, http://www.geo.umn.edu/mgs/.

Jirsa, M.A., Chandler, V.W., and Lively, R.S., 2005c, Bedrock Geology of the Mesabi Iron Range, Minnesota: Minnesota Geological Survey Miscellaneous Map M-163, scale 1:100,000, http://www.geo.umn.edu/mgs/.

McDonald , M.G. and A.W. Harbaugh, 1988, “A Modular Three-dimensional Finite-difference Ground-water Flow Model”, U.S. Geological Survey Techniques of Water-resources Investigations Report, Book 6, Ch. A1.

Harbaugh , A.W, E.R. Banta, M.C. Hill and M.G. McDonald, 2000, “MODFLOW-2000. The U.S. Geological Survey modular ground-water model – User Guide to modularization concepts and the ground-water flow process”, U.S. Geological Survey Open File Report 00-92.

Knight Piesold and Co., 2007a, Electronic Water Quality Data Tables, (1) Hoyt Lakes Tailing Basin, (2) Hoyt Lakes WWTP NPDES Permit, (3) Laskin NPDES Permits, (4) LTV Steel NPDES Permits, (5) MPCS Historical Lake Water Quality Data, (6) Northshore Mining NPDES Permits, (7) PolyMet RE63 Baseline Water Quality Data, (8) PolyMet RS76 Historical Water Quality Data, Available as part of the public record upon request.

Knight Piesold and Co., 2007b, Electronic Well Completion Diagrams, (1) Tailings Basin, (2) Well Log Reports Downloaded from Minnesota Department of Health, Available as part of the public record upon request.

Knight Piesold and Co., 2007c, Electronic Summary Modeled Hydrologic Parameters for Partridge River Stations, (1) Table 4.11A USGS 04015475.doc, (2) Table 4.11B SW-005.doc, (3) Table 4.11C SW-004A.doc, (4) Table 4.11D SW-004.doc, (5) Table 4.11E SW-003.doc, (6) Table 4.11F SW-002.doc, (7) Table 4.11G SW-001.doc, Available as part of the public record upon request.

Meyer, R.E., 1942, “Evaporation from lakes and Reservoirs,” Minnesota Resources Commission, June.

Minnesota Pollution Control Agency (MPCA), 1999, “Baseline Water Quality of Minnesota’s Principal Aquifers – Region 1, Northeastern Minnesota”, Prepared by Ground Water Monitoring and Assessment Program (GMAP), 31 p., 27 tables, 7 figures, 2 appendices.

Minnesota Power, 2007, “Re: Water Appropriation Permit No. PA 49-135,” Letter from Minnesota Power to Mr. John Adams of MDNR, August 2, 1 p.

Motovilov, Y.G., Gottschalk, L., Engeland, K., and Rodhe, A. 1999. Validation of a distributed hydrological model against spatial observations. Agricultural and Forest Meteorology, 98-99, 257-277.

National Climatic Data Center (NCDC), 2002, “Monthly Station Normals of Temperature, Precipitation, and Heating and Cooling Degree Days, 1971 – 2000,” Climatography of the United States No. 81, National Oceanic and Atmospheric Administration, Asheville, NC.

RS64 NTS (2007). Response to RS64 Comments, Existing Tailings Basin Water Information

Olcott, P.G., D.W. Ericson, P.E. Felsheim, and W.L. Broussard, 1978, “Water Resources of the Lake Superior Watershed, Northeastern Minnesota,” USGS Hydrologic Investigations Atlas HA-582, United States Geological Survey. 2 plates.

Olcott, P.G. and D.I. Siegel, 1978, “Physiography and Surficial Geology of the Copper-Nickel Study Region, Northeastern Minnesota,” USGS Water-Resources Investigations 78-51, Open file Report, Prepared in Cooperation with Minnesota Environmental Quality Board, Copper-Nickel Study Staff, 22 p., 2 figures, 2 plates and 4 tables.

PolyMet Mining, Inc, 2006, “NorthMet Project Description”, January, Submittal 1.0, 7 sections, 107 tables, 141 figures.

PolyMet Mining, Inc, 2007, “Supplemental NorthMet Project Description”, July 13.

Richter, B.D., J.V. Baumgartner, J. Powell and D.P Braun, 1996, “A Method for Assessing Hydrologic Alteration in Ecosystems,” Conservation Biology, vol. 10, no. 4, pp 1163-1174.