Development of Mineral Environmental Assessment Methodologies - Publications

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• Project Overview
• Task 1
• Task 2
• Task 3
• Task 4
• Products
• Project Contacts

Task 2 publications:

Published Reports:
Balistrieri, L.S., Nimick, D.A., Mebane, C.A., 2012, Assessing time-integrated dissolved concentrations and predicting toxicity of metals during diel cycling in streams: Science of The Total Environment, v. 425, p. 155-168. http://dx.doi.org/10.1016/j.scitotenv.2012.03.008

Caine, J.S., Manning, A.H., Berger, B.R., Kremer, Y., Guzman, M.A., Eberl. D.D., and Schuller, K., 2010, Characterization of geologic structures and host rock properties relevant to the hydrogeology of the Standard Mine in Elk Basin, Gunnison County, Colorado: U.S. Geological Survey Open-File Report 2010-1008, 56 p. http://pubs.usgs.gov/of/2010/1008/

Caruso, B.S., Cox, T.J., Runkel, R.L., Velleux, M.L., Bencala, K.E., Nordstrom, D.K., Julien, P.Y., Butler, B.A., Alpers, C.N., Marion, A., and Smith, K.S., 2008, Metals fate and transport modelling in streams and watersheds: state of the science and USEPA workshop review: Hydrological Processes, v. 22, p. 4011-4021. http://dx.doi.org/10.1002/hyp.7114

Custer, C.M., Yang, C., Crock, J.G., Shearn-Bochsler, V., Smith, K.S., and Hageman, P.L., 2009, Exposure of insects and insectivorous birds to metals and other elements from abandoned mine tailings in three Summit County drainages, Colorado: Environmental Monitoring and Assessment, v. 153, p. 161-177. http://dx.doi.org/10.1007/s10661-008-0346-y

Desborough, G.A., Smith, K.S., Lowers, H.A., Swayze, G.A., Hammarstrom, J.M., Diehl, S.F., Leinz, R.W., and Driscoll, R.L., 2010, Mineralogical and chemical characteristics of some natural jarosites: Geochimica et Cosmochimica Acta, v. 74, p. 1041-1056. http://dx.doi.org/10.1016/j.gca.2009.11.006

Diehl, S.F., Hageman, P.L., Koenig, A.E., Seal, R.R., II, Smith, K.S., Benzel, W.M., and Driscoll, R.L., 2010, Techniques to understand metal leaching from ore minerals in mine-waste material, in Proceedings of the 2010 Society for Mining, Metallurgy & Exploration (SME) Annual Meeting & Exhibit, Phoenix, AZ, February 28–March 3, 2010: Littleton, CO, SME, 7 p.

Friedel, M.J. (co-editor), 2011, Climate change and its effects on water resources—Issues of national and global security, A. Baba, G. Tayfur, O. Gunduz, K.W.F. Howard, M.J. Friedel, and A. Chambel (eds.), NATO Science for Peace and Security Series C: Environmental Security: Dordrecht, The Netherlands, Springer.

Friedel, M.J., 2011, Climate change effects on ecosystem services in the United States—Issues of national and global security, in A. Baba, G. Tayfur, O. Gunduz, K.W.F. Howard, M.J. Friedel, and A. Chambel (eds.), Climate Change and its Effects on Water Resources, Ch. 3, NATO Science for Peace and Security Series C: Environmental Security: Dordrecht, The Netherlands, Springer, p. 17–24. http://dx.doi.org/10.1007/978-94-007-1143-3_3

Friedel, M.J., and Linard, J.I., 2008, Initial sediment transport model of the mining-affected Aries River basin, Romania: U.S. Geological Survey Open-File Report 2008–1171, 23 p. http://pubs.usgs.gov/of/2008/1171/pdf/OF08-1171_508.pdf

Friedel, M.J., Tindall, J.A., Sardan, D., Fey, D.L., and Poptua, G.L., 2008, Reconnaissance study of water quality in the mining-affected Aries River basin, Romania: U.S. Geological Survey Open-File Report 2008–1176, 40 p. http://pubs.usgs.gov/of/2008/1176/pdf/OF08-1176_508.pdf

Friedel, M.J., de Souza Filho, O.A., Iwashita, F., Silva, A.M., and Yoshinaga, S., 2012, Data-driven modeling for groundwater exploration in fractured crystalline terrain, northeast Brazil: Hydrogeology Journal, v. 20, p. 1061–1080. http://dx.doi.org/10.1007/s10040-012-0855-1

Gleeson, T., and Manning, A.H., 2008, Regional groundwater flow in mountainous terrain: Three-dimensional simulations of topographic and hydrogeologic controls: Water Resources Research, v. 44, W10403, 16 p. http://dx.doi.org/10.1029/2008WR006848

Gleeson, T., Marklund, L., Smith, L., and Manning, A.H., 2011, Classifying the water table at regional to continental scales: Geophysical Research Letters, v. 38, L05401, 6 p. http://dx.doi.org/10.1029/2010GL046427

Gleeson, T., Smith L., Moosdorf, N., Hartmann, J., Dürr, H.H., Manning, A.H., van Beek, L.P.H., and Jellinek, A.M., 2011, Mapping permeability over the surface of the Earth: Geophysical Research Letters, v. 38, L02401, 6 p. http://dx.doi.org/10.1029/2010GL045565

Heikkinen, P.M, Räisänen, M.L, and Johnson, R.H., 2009, Geochemical characterization of seepage and drainage water quality from two sulphide mine tailings impoundments: Acid mine drainage versus neutral mine drainage: Mine Water and the Environment, v. 28, p. 30–49. http://dx.doi.org/10.1007/s10230-008-0056-2

Hoal, K.O., Smith, K.S., Russell, C.C., Walton-Day, K., and Stammer, J.G., 2009, Application of quantitative micro-mineralogy to tailings and mining waste, in D. Sego, M. Alostaz, and N. Beier (eds.), Proceedings of the Thirteenth International Conference on Tailings and Mine Waste (Tailings & Mine Waste ‘09), Banff, Alberta, Canada, November 1–4, 2009: University of Alberta, Canada, Department of Civil and Environmental Engineering, p. 703–709 (ISBN 978-1-55195-225-0).

Iwashita, F., Friedel, M.J., de Souza Filho, C.R., and Fraser, S.J., 2011, Hillslope chemical weathering across Paraná, Brazil: A data mining-GIS hybrid approach: Geomorphology, v. 132, p. 167–175. http://dx.doi.org/10.1016/j.geomorph.2011.05.006

Iwashita, F., Friedel, M.J., Rebeiro, G.F., and Fraser, S.J., 2012, Intelligent estimation of spatially distributed soil physical properties: Geoderma, v. 170, p. 1–10. http://dx.doi.org/10.1016/j.geoderma.2011.11.002

Johnson, R.H., 2009, The influence of shallow and deep ground-water discharge on stream-water quality in a watershed with historical mining, Prospect Gulch, Colorado, USA, in Proceedings of Securing the Future 2009 and the 8th International Conference on Acid Rock Drainage (ICARD8), Skellefteå, Sweden, June 23–26, 2009, Theme 6, 9 p. http://www.proceedings-stfandicard-2009.com/ and http://www.proceedings-stfandicard-2009.com/pdfer/Raymond_Johnson_B5_T6_The-Influence-of-Shallow-and-Deep-Ground-Water-Discharge-on-Stream-Water-Quality-in-a-Watershed-with-Historical-Mining-Prospect-Gulch-Colorado-USA.pdf

Johnson, R.H., and Friedel, M.J., 2009, Factoring uncertainty into restoration modeling of in-situ leach uranium mines: U.S. Geological Survey Open-File Report 2009–1024, 25 p. http://pubs.usgs.gov/of/2009/1024/

Johnson, R.H., Yager, D.B., and Johnson, H.D., 2011, Geochemical data from waters in Prospect Gulch, San Juan County, Colorado, that span pre- and post-Lark Mine remediation: U.S. Geological Survey Open-File Report 2011–1316, 4 p. http://pubs.usgs.gov/of/2011/1316/

Kahn, K.G., Ge, S., Caine, J.S., and Manning, A., 2008, Characterization of the shallow groundwater system in an alpine watershed: Handcart Gulch, Colorado, USA: Hydrogeology Journal, v. 16, p. 103–121. http://dx.doi.org/10.1007/s10040-007-0225-6

Manning, A.H., Verplanck, P.L., Mast, M.A., and Wanty, R.B., 2008, Hydrogeochemical investigation of the Standard Mine vicinity, upper Elk Creek Basin, Colorado: U.S. Geological Survey Scientific Investigations Report 2007–5265, 130 p. http://pubs.usgs.gov/sir/2007/5265/

Manning, A.H., Caine, J.S., Verplanck, P.L., Bove, D.J., and Kahn, K.G., 2009, U.S. Geological Survey research in Handcart Gulch, Colorado: An alpine watershed with natural acid-rock drainage, in Webb, R.M.T., and Semmens, D.J., eds., Planning for an Uncertain Future—Monitoring, Integration, and Adaptation. Proceedings of the Third Interagency Conference on Research in the Watersheds: U.S. Geological Survey Scientific Investigations Report 2009–5049, p. 97–102. http://pubs.usgs.gov/sir/2009/5049/pdf/Manning.pdf

Manning, A.H., Verplanck, P.L., Mast, M.A., Marsik, J., and McCleskey, R.B., 2011, Spring runoff water-chemistry data for the Standard Mine and Elk Creek, Gunnison County, Colorado, 2010: U.S. Geological Survey Open-File Report 2011–1159, 20 p. http://pubs.usgs.gov/of/2011/1159/

Manning, A.H., Clark, J.F., Diaz, S.H., Rademacher, L.K., Earman, S., and Plummer, L.N., 2012, Evolution of groundwater age in a mountain watershed over a period of thirteen years: Journal of Hydrology, v. 460–461, p. 13–28. http://dx.doi.org/10.1016/j.jhydrol.2012.06.030

McCafferty, A.E., Horton, R.J., Stanton, M.R., McDougal, R.R., and Fey, D.L., 2011, Geophysical, geochemical, mineralogical, and environmental data for rock samples collected in a mineralized volcanic environment, upper Animas River watershed, Colorado: U.S. Geological Survey Data Series 595, 13 p. http://pubs.usgs.gov/ds/595/

McLemore, V.T., Smith, K.S., and Russell, C.C., 2007, Sampling and monitoring for closure: Reviews in Engineering Geology, v. 17, p. 171-180. http://dx.doi.org/10.1130/2007.4017(11)

McLemore, V.T., Russell, C.C., and Smith, K.S., 2009, ADTI-MMS sampling and monitoring for the mine-life cycle, in Proceedings of Securing the Future 2009 and the 8th International Conference on Acid Rock Drainage (ICARD8), Skellefteå, Sweden, June 23-26, 2009, Theme 3, 10 p. http://www.proceedings-stfandicard-2009.com/ and http://www.proceedings-stfandicard-2009.com/pdfer/Virginia_McLemore_B4_T3_ADTI-MMS-Sampling-and-Monitoring-for-the-Mine-life-Cycle.pdf

Minsley, B.J., Ball, L.B., Burton, B.L., Caine, J.S., Curry-Elrod, E., and Manning, A.H., 2010, Geophysical characterization of subsurface properties relevant to the hydrology of the Standard Mine in Elk Basin, Colorado: U.S. Geological Survey Open-File Report 2009-1284, 46 p. http://pubs.usgs.gov/of/2009/1284/

Smith, K.S., 2007, Strategies to predict metal mobility in surficial mining environments: Reviews in Engineering Geology, v. 17, p. 25-45. http://dx.doi.org/10.1130/2007.4017(03); Link to full report pdf

Smith, K.S., 2011, Approach for environmental baseline water sampling, in Proceedings of the 2011 Society for Mining, Metallurgy & Exploration (SME) Annual Meeting, Denver, CO, February 27-March 2, 2011, Preprint 11-157, 6 p.

Smith, K.S., Ranville, J.F., Diedrich, D.J., McKnight, D.M., and Sofield, R.M., 2009, Consideration of iron-organic matter interactions when predicting aquatic toxicity of copper in mineralized areas, in Proceedings of Securing the Future 2009 and the 8th International Conference on Acid Rock Drainage (ICARD8), Skellefteå, Sweden, June 23–26, 2009, Theme 6, 9 p. http://www.proceedings-stfandicard-2009.com/ and http://www.proceedings-stfandicard-2009.com/pdfer/Kathleen_Smith_B5_T6_Consideration-of-Iron-Organic-Matter-Interactions-when-Predicting-Aquatic-Toxicity-of-Copper-in-Mineralized-Areas.pdf

Smith, K.S., Walton-Day, K., Hoal, K.O., Driscoll, R.L., and Pietersen, K., 2012, Pre- and post-remediation characterization of acid-generating fluvial tailings material, in Proceedings of the 9th International Conference on Acid Rock Drainage (ICARD9), Ottawa, Ontario, Canada, May 20–26, 2012, 10 p.

Stanton, M.R., and Yager, D.B., 2012, Use of calcite-bearing volcanic rocks to neutralize sulfide mine-waste drainage: Results from static reaction vessel experiments, in Proceedings of the 9th International Conference on Acid Rock Drainage (ICARD9), Ottawa, Ontario, Canada, May 20–26, 2012, 7 p.

Todd, A.S., Brinkman, S., Wolf, R.E., Lamothe, P.J., Smith, K.S., and Ranville, J.F., 2009, An enriched stable-isotope approach to determine the gill-zinc binding properties of juvenile rainbow trout (Oncorhynchus mykiss) during acute zinc exposures in hard and soft waters: Environmental Toxicology and Chemistry, v. 28, p. 1233–1243. http://dx.doi.org/10.1897/08-252.1

Todd, A.S., Manning, A.H., Verplanck, P.L., Crouch, C., McKnight, D.M., and Dunham, R., 2012, Climate-change-driven deterioration of water quality in a mineralized watershed: Environmental Science and Technology, v. 46, p. 9324–9332. http://dx.doi.org/10.1021/es3020056

Verplanck, P.L., Manning, A.H., Kimball, B.A., McCleskey, R.B., Runkel, R.L., Caine, J.S., Adams, M., Gemery-Hill, P.A., and Fey, D.L., 2008, Ground- and surface-water chemistry of Handcart Gulch, Park County, Colorado, 2003–2006: U.S. Geological Survey Open-File Report 2007–1020, 31 p. http://pubs.usgs.gov/of/2007/1020/

Verplanck, P.L., Manning, A.H., Graves, J.T., McCleskey, R.B., Todorov, T., and Lamothe, P.J., 2010, Geochemistry of Standard Mine waters, Gunnison County, Colorado, July 2009: U.S. Geological Survey Open-File Report 2009–1292, 21 p. http://pubs.usgs.gov/of/2009/1292/

Webb, R.M.T., Mast, M.A., Manning, A.H., Clow, D.W., and Campbell, D.H., 2011, Potential climate change effects on water tables and pyrite oxidation in headwater catchments in Colorado, in Medley, C.N., Patterson, G., and Parker, M.J., eds., Observing, Studying, and Managing for Change. Proceedings of the Fourth Interagency Conference on Research in the Watersheds: U.S. Geological Survey Scientific Investigations Report 2011–5169, p. 23–33. http://pubs.usgs.gov/sir/2011/5169/SIR11-5169_508_Session-1B.pdf

Wildeman, T.R., Smith, K.S., and Ranville, J.F., 2007, A simple scheme to determine potential aquatic metal toxicity from mining wastes: Environmental Forensics Journal, v. 8, p. 119–128. http://dx.doi.org/10.1080/15275920601180651

Wolf, R.E., Todd, A.S., Brinkman, S., Lamothe, P.J., Smith, K.S., and Ranville, J.F., 2009, Measurement of total Zn and Zn isotope ratios by quadrupole ICP-MS for evaluation of Zn uptake in gills of brown trout (Salmo trutta) and rainbow trout (Oncorhynchus mykiss): Talanta, v. 80, p. 676–684. http://dx.doi.org/10.1016/j.talanta.2009.07.048

Yager, D.B., Stanton, M.R., Choate, L.M., and Burchell, A., 2009, Acid neutralizing capacity and leachate results for igneous rocks, with associated carbon contents of derived soils, Animas River AML site, Silverton, Colorado, in Barnheisel, R.I., ed., Revitalizing the Environment: Proven Solutions and Innovative Approaches. National Meeting of the American Society of Mining and Reclamation (ASMR), Billings, MT, May 30–June, 5, 2009: Lexington, KY, ASMR, p. 1662–1697. http://www.asmr.us/Publications/Conference%20Proceedings/2009/1662-Yager-CO.pdf

Yager, D.B., Burchell, A., and Johnson, R.H., 2010, A geologic and anthropogenic journey from the Precambrian to the new energy economy through the San Juan volcanic field: Geological Society of America Field Guide 18, p. 193–237. http://dx.doi.org/10.1130/2010.0018(09)

Yager, D.B., Hofstra, A.H., and Granitto, M., 2012, Analyzing legacy U.S. Geological Survey geochemical databases using GIS—Applications for a national mineral resource assessment: U.S. Geological Survey Techniques and Methods 11–C5, 28 p. http://pubs.usgs.gov/tm/11c05/

Presentations, Posters, Abstracts:
Balistrieri, L.S., 2009, Dissolved and DGT labile metal concentrations: Comparisons among thermodynamic speciation models and implications for biotic ligand models: DGT & the Environment Conference 2009, Santa Margherita di Pula, Sardinia, Italy, October 7–9, 2009.

Balistrieri, L.S., and Blank, R.G., 2009, Dissolved and labile metal concentrations: Comparisons among thermodynamic speciation models and implications for biotic ligand models: Spring 2009 American Chemical Society National Meeting, Salt Lake City, UT, March 22–26, 2009.

Balistrieri, L.S., and Mebane, C.A., 2010, Predicting the toxicity of cadmium, lead, and zinc, II: Assessing interactions of multiple metals using a newly developed biotic ligand model: SETAC North America 31st Annual Meeting, Portland, OR, November 7–11, 2010.

Balistrieri, L.S., Nimick, D.A., and Mebane, C.A., 2012, Assessing time-integrated dissolved concentrations and predicting toxicity of metals during diel cycling in streams: SETAC North America 33rd Annual Meeting, Long Beach, CA, November 11–15, 2012.

Burchell, A., Yager, D.B., Johnson, R.H., Aiken, G.R., and Butler, K., 2010, High total organic soil carbon (TOSC), low dissolved organic carbon (DOC) and black carbon (BC) horizons, San Juan Mountains, Colorado: Implications for enhanced natural terrestrial carbon sequestration (NTS) land use management and reclamation protocols: Geological Society of America Abstracts with Programs, Vol. 42, No. 5, p. 160. https://gsa.confex.com/gsa/2010AM/finalprogram/abstract_182051.htm

Caine, J.S., and Manning, A.H., 2010, Fault veins and their influence on mountain watershed hydrogeology, the Standard Mine of Elk Basin, Colorado: Geological Society of America Abstracts with Programs, Vol. 42, No. 5, p. 149. https://gsa.confex.com/gsa/2010AM/finalprogram/abstract_177656.htm

Diehl, S., Hageman, P., Koenig, A., Seal, R., Smith, K., Benzel, W., and Driscoll, R., 2010, Techniques to understand metal leaching from ore minerals in mine-waste material: 2010 Society for Mining, Metallurgy & Exploration (SME) Annual Meeting & Exhibit, Phoenix, AZ, February 28–March 3, 2010, p. 105 (INVITED).

Earman, S., Manning, A.H., and Gleeson, T., 2011, Stable isotope applications in a study of potential climate-change impacts on hydrologic systems—Sagehen basin, California: Geological Society of America Abstracts with Programs, Vol. 43, No. 5, p. 30. https://gsa.confex.com/gsa/2011AM/finalprogram/abstract_196843.htm

Friedel, M.J., 2010, Nonlinear modeling of coupled watershed processes using a data-driven approach: Geological Society of America Abstracts with Programs, Vol. 42, No. 5, p. 213. https://gsa.confex.com/gsa/2010AM/finalprogram/abstract_179036.htm

Friedel, M.J., 2011, Applications of soft computing in mining undiscovered global porphyry copper deposits: abstract U22B-01 presented at 2011 Fall Meeting, AGU, San Francisco, CA, December 5–9, 2011.

Friedel, M.J., 2011, Computational intelligence in earth systems—Applied soft and hybrid modeling: U.S. Department of Army, Engineer Research Development Center, Vicksburg, MS, November 30, 2011 (no abstract).

Friedel, M.J., Esfahani, A., Schmidt, T.S., Smith, K., Mast, M.A., 2012, Connectivity mapping among variables in a mining-aquatic ecosystem (abstract #32): USEPA Hardrock Mining Conference: Advancing Solutions for a New Legacy, Denver, CO, April 3–5, 2012.

Friedel, M.J., Schmidt, T.S., Smith, K., Mast, M.A., 2012, Development of Aquatic-Mining Ecosystem Models Using Computational Intelligence (abstract #30): USEPA Hardrock Mining Conference: Advancing Solutions for a New Legacy, Denver, CO, April 3–5, 2012.

Gleeson, T., Smith, L., Jansen, N, Hartmann, J., Dürr, H.H., Manning, A.H., van Beek, L.P.H., 2010, Compiling regional-scale permeability estimates for a global map of near-surface permeability: CUAHSI Biennial Science Meeting, Boulder, CO, July 19–21, 2010.

Gleeson, T., Smith, L., Jansen, N., Hartmann, J., Durr, H., Manning, A.H., van Beek, R., and Jellinek, M., 2010, Compiling regional-scale permeability estimates for a global map of near-surface permeability: Geological Society of America Abstracts with Programs, Vol. 42, No. 5, p. 348 (INVITED). https://gsa.confex.com/gsa/2010AM/finalprogram/abstract_177156.htm

Gleeson, T., Smith, L., Manning, A.H., Clark, J., Marklund, L., 2010, Multi-scalar mountain hydrogeology: From small streams to mountain ranges: Geological Society of America Abstracts with Programs, Vol. 42, No. 5, p. 148 (INVITED). https://gsa.confex.com/gsa/2010AM/finalprogram/abstract_177153.htm

Heikkinen, P.M, Räisänen, M.L, and Johnson, R.H., 2008, Seepage water quality from two sulphide mine tailings impoundments—AMD vs. NMD: 10th International Mine Water Association Congress, Karlovy Vary, Czech Republic, June 2–5, 2008.

Hoal, K.O., Smith, K.S., Russell, C.C., Walton-Day, K., and Stammer, J.G., 2009, Application of quantitative micro-mineralogy to tailings and mining waste: Tailings and Mine Waste ’09, Banff, Alberta, Canada, November 1–4, 2009.

Hoefen, T.M., Plumlee, G., Martin, D.A., Smith, K.S., and Hageman, P.L., 2009, The development of a sampling method for soils, sediment, debris and ash produced by disasters: Geological Society of America Abstracts with Programs, Vol. 41, No. 7, p. 543. https://gsa.confex.com/gsa/2009AM/finalprogram/abstract_166671.htm

Iwashita, F., Friedel, M.J., Ferreira, F.J., and Fraser, S., 2011, Soft computing and hydrogeologic characterization of the Serra Geral-Guarani aquifer system, Parana state, Brazil: abstract U22B-03 presented at 2011 Fall Meeting, AGU, San Francisco, CA, December 5–9, 2011.

Johnson, R.H., 2009, The influence of shallow and deep ground-water discharge on stream-water quality in a watershed with historical mining, Prospect Gulch, Colorado, USA: Securing the Future 2009 and the 8th International Conference on Acid Rock Drainage (ICARD8), Skellefteå, Sweden, June 23–26, 2009.

Johnson, R.H., and Friedel, M.J., 2008, Factoring uncertainty into restoration modeling of in-situ leach uranium mines: Geological Society of America Abstracts with Programs, Vol. 40, No. 6, p. 528. https://gsa.confex.com/gsa/2008AM/finalprogram/abstract_151223.htm

Johnson, R.H., Manning, A., and Friedel, M., 2009, Evaluating the utility of watershed-scale numerical models in the U.S. Geological Survey’s Mineral Environmental Assessment Project: National Ground Water Association Ground Water Summit, Tucson, AZ, April 19–23, 2009. http://ngwa.confex.com/ngwa/2009gws/webprogram/Paper5816.html

Manning, A.H. and Todd, A.S., 2010, An investigation of the potential impacts of climate change on water quality in mineralized mountain watersheds: USGS Climate Change Science Conference, Denver, CO, March 9–11, 2010.

Manning, A.H., Caine, J.S., Verplanck, P.L., and Bove, D.J., 2008, U.S. Geological Survey research in Handcart Gulch, Colorado: An alpine watershed with natural acid-rock drainage: Third Interagency Conference on Research in the Watersheds, Estes Park, CO, September 8–11, 2008.

Manning, A.H., Bove, D.J., and Verplanck, P.L., 2009, The role of ground-water recharge processes in the formation of natural acid-rock drainage in mineralized mountain watersheds: EOS Trans. AGU, 90(52), Fall. Meet. Suppl., Abstract H31C-0801.

Manning, A.H., Friedel, M.J., Verplanck, P.L. and Todd, A.S., 2010, Applying numerical modeling to evaluate the significance of climate and hydrology in the formation of natural acid-rock drainage in mineralized watersheds: Geological Society of America Abstracts with Programs, Vol. 42, No. 5, p. 214. https://gsa.confex.com/gsa/2010AM/finalprogram/abstract_181612.htm

Manning, A.H., Clark, J.F., Diaz, S.H., Rademacher, L.K., and Earman, S., 2011, Using dissolved gases to observe the evolution of groundwater age in a mountain watershed over a period of thirteen years: Geological Society of America Abstracts with Programs, Vol. 43, No. 5, p. 57. https://gsa.confex.com/gsa/2011AM/finalprogram/abstract_193805.htm

Manning, A.H., Todd, A.S., and Verplanck, P.L., 2011, Potential effects of climate change on water quality in mineralized watersheds: 2011 Fragile Earth Conference, Munich, Germany, September 4–7, 2011 (INVITED).

Manning, A.H., Todd, A.S., Verplanck, P.L., and Caine, J.S., 2012, Possible links between climate change and deteriorating water quality in a mineralized watershed: Geological Society of America Abstracts with Programs, Vol. 44, No. 7, p.340.

Mebane, C.A., Balistrieri, L.S., Dillon, F.S., and Hennessy, D.P., 2010, Predicting the toxicity of cadmium, lead, and zinc, I: A unified modeling approach: SETAC North America 31st Annual Meeting, Portland, OR, November 7–11, 2010.

Minsley, B.J., Caine, J.S., Ball, L.B., Burton, B., Curry-Elrod, E., Manning, A.H., and Verplanck, P.L., 2009, Hydrogeologic inferences from geophysical and geologic investigation of the Standard Mine site, Elk Basin, Colorado: EOS Trans. AGU, 90(52), Fall. Meet. Suppl., Abstract H52B-04.

Ranville, J.F., Gartman, B.N., and Smith, K.S., 2010, Surface charge of aggregated iron-oxide nanoparticles in mining-influenced waters: 239th American Chemical Society (ACS) National Meeting & Exposition, San Francisco, CA, March 21-25, 2010, Division of Environmental Chemistry, v. 50, no. 1, ENVR 537 (INVITED). http://www.envirofacs.org/Symposia/239_San%20Francisco/FinalProgram_for_Posting.pdf

Rockwell, B.W., 2010, Evaluation of detailed and automated methodologies for hydrothermal alteration mapping from space: Application to geoenvironmental and mineral resource assessments at the scale of watersheds and permissive tracts: Geological Society of America Abstracts with Programs, Vol. 42, No. 5, p. 214. https://gsa.confex.com/gsa/2010AM/finalprogram/abstract_179892.htm

Smith, K.S., 2010, Development of mineral environmental assessment techniques at the watershed scale (Task 2): USGS Mineral Resources Program Assessment Project Leaders Meeting, Lakewood, CO, January 26–28, 2010 (Presentation).

Smith, K.S., 2011, Overview of the Development of Mineral Environmental Assessment Techniques at the Watershed Scale Task: USGS Energy and Minerals Mission Area Meeting, Lakewood, CO, February 23, 2011 (Presentation).

Smith, K.S., 2011, Approach for environmental baseline water sampling: 2011 Society for Mining, Metallurgy & Exploration (SME) Annual Meeting & Exhibit and Colorado Mining Association 113th National Western Mining Conference, Denver, CO, February 27–March 2, 2011.

Smith, K.S., and Bauch, N.J., 2011, NWIS data pulls for national- and regional-scale applications: Third Annual USGS Community for Data Integration (CDI) Workshop, Denver, CO, August 17, 2011 (INVITED).

Smith, K.S., Ranville, J.F., Diedrich, D.J., and McKnight, D.M., 2008, Influence of organic matter fractionation on aquatic copper toxicity in mineralized environments: Geological Society of America Abstracts with Programs, Vol. 40, No. 6, p. 340. https://gsa.confex.com/gsa/2008AM/finalprogram/abstract_148308.htm

Smith, K.S., Ranville, J.F., Diedrich, D.J., McKnight, D.M., and Sofield, R.M., 2009, Consideration of iron-organic matter interactions when predicting aquatic toxicity of copper in mineralized areas: 22nd Annual Meeting of the Rocky Mountain Chapter of the Society of Environmental Toxicology and Chemistry, Denver, CO, April 23–24, 2009.

Smith, K.S., Ranville, J.F., Diedrich, D.J., McKnight, D.M., and Sofield, R.M., 2009, Consideration of iron-organic matter interactions when predicting aquatic toxicity of copper in mineralized areas: Securing the Future 2009 and the 8th International Conference on Acid Rock Drainage (ICARD8), Skellefteå, Sweden, June 23–26, 2009.

Smith, K., Johnson, R., Manning, A., Yager, D., Bove, D., and Hageman, P., 2010, Watershed-scale modeling approach for metal transport in mineralized areas: 2010 Society for Mining, Metallurgy & Exploration (SME) Annual Meeting & Exhibit, Phoenix, AZ, February 28–March 3, 2010, p. 104–105 (INVITED).

Smith, K.S., Manning, A.H., Yager, D.B., and Johnson, R.H., 2010, Watershed-scale modeling approach in mineralized areas: Geological Society of America Abstracts with Programs, Vol. 42, No. 5, p. 214. https://gsa.confex.com/gsa/2010AM/finalprogram/abstract_180393.htm

Smith, K.S., Ranville, J.F., Diedrich, D.J., McKnight, D.M., and Sofield, R.M., 2010, Influence of dissolved organic matter in determining aquatic copper toxicity in iron-rich environments: National Water Quality Monitoring Council (NWQMC) Seventh National Monitoring Conference, Denver, CO, April 25–29, p. 84–85. http://acwi.gov/monitoring/conference/2010/2010_NMC_Program_2010-04-13.pdf

Smith, K.S., Ranville, J.F., Diedrich, D.J., McKnight, D.M., and Sofield, R.M., 2010, Influence of organic-matter fractionation by natural iron nanoparticles on copper speciation and aquatic copper toxicity: 239th American Chemical Society (ACS) National Meeting & Exposition, San Francisco, CA, March 21–25, 2010, Division of Environmental Chemistry, v. 50, no. 1, ENVR 539 (INVITED). http://www.envirofacs.org/Symposia/239_San%20Francisco/FinalProgram_for_Posting.pdf)

Smith, K.S., Desborough, G.A., Swayze, G.A., Lowers, H.A., Diehl, S.F., Hammarstrom, J.M., and Driscoll, R.L., 2012, Do jarosite minerals generate acid in legacy mining wastes?: USEPA Hardrock Mining Conference: Advancing Solutions for a New Legacy, Denver, CO, April 3–5, 2012.

Smith, K.S., Walton-Day, K., and Hoal, K.O., 2012, Pre- and post-remediation characterization of acid-generating fluvial tailings material: 9th International Conference on Acid Rock Drainage (ICARD9), Ottawa, Ontario, Canada, May 20–26, 2012.

Smith, K.S., Hoal, K.O., and Pietersen, K., 2013 (accepted), Mineralogical characterization for environmental applications: 2013 SME Annual Meeting & Exhibit and CMA 115th National Western Mining Conference, Denver, CO, February 24–27, 2013.

Stanton, M.R., 2010, Importance of lithologic compositional data in predictive modeling of watershed-scale surface water chemistry: Geological Society of America Abstracts with Programs, Vol. 42, No. 5, p. 214. https://gsa.confex.com/gsa/2010AM/finalprogram/abstract_181699.htm

Stanton, M.R., and Yager, D.B., 2012, Use of calcite-bearing volcanic rocks to neutralize sulfide mine-waste drainage: Results from static reaction vessel experiments: 9th International Conference on Acid Rock Drainage (ICARD9), Ottawa, Ontario, Canada, May 20–26, 2012.

Todd, A., Brinkman, S., Wolf, R.E., Lamothe, P.J., Smith, K., and Ranville, J., 2009, A stable-isotope approach to determine the gill-zinc binding properties of juvenile rainbow trout (Oncorhynchus mykiss) during acute zinc exposures: Society of Environmental Toxicology and Chemistry (SETAC) North America 30th Annual Meeting, New Orleans, LA, November 19–23, 2009, Abstract #81.
Verplanck, P.L., Manning, A.H., Mast, M.A., Graves, J.T., and Pribil, M., 2010, Determining the origin of portal discharge by underground sampling, the Standard Mine, Crested Butte, Colorado: Geological Society of America Abstracts with Programs, Vol. 42, No. 5, p. 202. https://gsa.confex.com/gsa/2010AM/finalprogram/abstract_178777.htm

Webb, R.M.T., Manning, A.H., and Smith, K.S., 2010, WEBMOD simulations of water quality in granitic and hydrothermally altered watersheds in Colorado—potential impacts of climate change: Geological Society of America Abstracts with Programs, Vol. 42, No. 5, p. 213. https://gsa.confex.com/gsa/2010AM/finalprogram/abstract_178856.htm

Yager, D.B., 2009, Acid neutralizing capacity and leachate results for igneous rocks, with associated carbon contents of derived soils, Animas River AML Site, Silverton, CO: 26th Annual American Society of Mining and Reclamation (ASMR) Meeting and 11th Billing Land Reclamation Symposium, Billings, MT, May 30–June 5, 2009.

Yager, D.B., Burchell, A., and Johnson, R.H., 2008, The natural terrestrial carbon sequestration potential of Rocky Mountain soils derived from volcanic bedrock: Eos Trans. AGU, 89(53), Fall Meet. Suppl., Abstract GC21A-0712.

Yager, D.B., Burchell, A., Johnson, R H., Kugel, M., Aiken, G., and Dick, R., 2009, Dissolved organic carbon and natural terrestrial sequestration potential in volcanic terrain, San Juan Mountains, Colorado: EOS Trans. AGU, 90(52) Fall Meet., Suppl., Abstract EP53C-0632.

Yager, D.B., Manning, A.H., Viger, R.J., Caine, J.S., and Smith, K.S., 2009, GIS and statistical analysis of watershed physical characteristics, Silverton mining area, San Juan County, Colorado: Geological Society of America Abstracts with Programs, Vol. 41, No. 7, p. 652. https://gsa.confex.com/gsa/2009AM/finalprogram/abstract_167137.htm

Yager, D.B., Johnson, R.H., Rockwell, B.W., Smith, K.S., and Bove, D.J., 2010, A GIS and statistical approach to aid in water quality prediction in mineralized terrain: Geological Society of America Abstracts with Programs, Vol. 42, No. 5, p. 214. https://gsa.confex.com/gsa/2010AM/finalprogram/abstract_181705.htm

Yager, D.B., Rockwell, B.W., Smith, K.S., and Johnson, R.H., 2012, The Animas River watershed, Silverton, Colorado: A geologic, mineral resource, and geo-environmental nexus: San Juan Mountains Hardrock Mining and Water Quality Conference 2012, Silverton, CO, April 26, 2012.

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