Anthropocene Landscape Change and the Legacy of Nineteenth- and Twentieth-Century Mining in the Fourmile Catchment, Colorado Front Range

References

• Anderson, S. P., G. Qinghua, and E. G. Parrish. 2012. Snow-on and snow-off LiDAR point cloud data and digital elevation models for study of topography, snow, ecosystems and environmental change at Boulder Creek Critical Zone Observatory, Colorado, Boulder Creek CZO. Boulder: Institute of Arctic and Alpine Research, University of Colorado.
   Google Scholar
• Anderson, S. W., S. P. Anderson, and R. S. Anderson. 2015. Exhumation by debris flows in the 2013 Colorado Front Range storm. Geology 43 (5):391–394. doi:10.1130/G36507.1.
   Web of Science ®Google Scholar
• Anstey, M. T., and A. Thomas. 2013. Fourmile Canyon historical and architectural survey, 2012–2013: Certified local government Project CO-12-018. Denver, CO: Historitecture.
   Google Scholar
• Benedict, J. B., R. J. Benedict, C. M. Lee, and D. M. Staley. 2008. Spruce trees from a melting ice patch: Evidence for Holocene climatic change in the Colorado Rocky Mountains, USA. The Holocene 18:1067–76.
   Web of Science ®Google Scholar
• Brown, A. G., S. Tooth, R. C. Chiverrell, J. Rose, D. S. G. Thomas, J. Wainwright, J. E. Bullard, V. R. Thorndycraft, R. Aalto, and P. Downs. 2013. The Anthropocene: Is there a geomorphological case? Earth Surface Processes and Landforms 38:431–34.
   Web of Science ®Google Scholar
• Certini, G., and R. Scalenghe. 2011. Anthropogenic soils are the golden spikes for the Anthropocene. The Holocene 21 (8):1269–74.
   Google Scholar
• Chin, A., R. Fu, J. Harbor, M. P. Taylor, and V. Vanacker. 2013. Anthropocene: Human interactions with earth systems. Anthropocene 1:1–2.
   Google Scholar
• Church, S. E., P. von Guerard, and S. E. Finger, eds. 2007. Integrated investigations of environmental effects of historical mining in the Animas River watershed, San Juan County, Colorado. U.S. Geological Survey Professional Paper 1651, U.S. Geological Survey, Reston, VA.
   Google Scholar
• Cobb, H. S. 1999. Prospecting our past: Gold, silver, and tungsten mills of Boulder County. Longmont, CO: Book Lode.
   Google Scholar
• Coe, J. A., J. W. Kean, J. W. Godt, R. L. Baum, E. S. Jones, D. J. Gochis, and G. S. Anderson. 2014. New insights into debris-flow hazards from an extraordinary event in the Colorado Front Range. GSA Today 24 (10):4–10.
   Google Scholar
• Cole, J. C., and W. A. Braddock. 2009. Geologic map of the Estes Park 30’ x 60’ quadrangle, north-central Colorado: U.S. Geological Survey Scientific Investigations Map 3039, 1 sheet, scale 1:100,000, pamphlet.
   Google Scholar
• Coulthard, T. J., and M. G. Macklin. 2003. Modeling long-term contamination in river systems from historical metal mining. Geology 31:451–54.
   Web of Science ®Google Scholar
• DeLong, S. B., C. S. Prentice, G. E. Hilley, and Y. Ebert. 2012. Multitemporal ALSM change detection, sediment delivery, and process mapping at an active earthflow. Earth Surface Processes and Landforms 37 (3):262–72.
   Web of Science ®Google Scholar
• Dennis, I. A., T. J. Coulthard, P. Brewer, and M. G. Macklin. 2009. The role of floodplains in attenuating contaminated sediment fluxes in formerly mined drainage basins. Earth Surface Processes and Landforms 34:453–66.
   Web of Science ®Google Scholar
• Dethier, D. P., W. Ouimet, P. Bierman, D. H. Hood, and G. Balco. 2014. Basins and bedrock: Spatial variation in 10Be erosion rates and increasing relief in the southern Rocky Mountains, USA. Geology 42 (2):167–70.
   Web of Science ®Google Scholar
• Dühnforth, M., R. S. Anderson, D. J. Ward, and A. Blum. 2012. Unsteady late Pleistocene incision of streams bounding the Colorado Front Range from measurements of meteoric and in situ 10Be. Journal of Geophysical Research 117:F01023.
   Web of Science ®Google Scholar
• Ebel, B. A., J. A. Moody, and D. A. Martin. 2012. Hydrologic conditions controlling runoff generation immediately after wildfire. Water Resources Research 48:W03529.
   Web of Science ®Google Scholar
• Edgeworth, M., D. deB Richter, C. Waters, P. Haff, C. Neal, and S. J. Price. 2015. Diachronous beginnings of the Anthropocene: The lower bounding surface of anthropogenic deposits. The Anthropocene Review 2 (1):33–58.
   Web of Science ®Google Scholar
• Edwards, L. E. 2015. What is the Anthropocene? Eos 96. Accessed November 30, 2015. https://eos.org/opinions/what-is-the-anthropocene.
   Google Scholar
• Erlandson, J. M. 2014. Shell middens and other anthropogenic soils as global stratigraphic signatures of the Anthropocene. Anthropocene 4:24–32.
   Google Scholar
• Fairbanks, R. G., R. A. Mortlock, T. C. Chiu, L. Cao, A. Kaplan, T. P. Guilderson, T. W. Fairbanks, A. L. Bloom, P. M. Grootes, and M. J. Nadeau. 2005. Radiocarbon calibration curve spanning 0 to 50,000 years BP based on paired 230 Th/234 U/238 U and 14C dates on pristine corals. Quaternary Science Reviews 24 (16):1781–96.
   Web of Science ®Google Scholar
• Finney, S. C., and L. E. Edwards. 2016. The “Anthropocene” epoch: Scientific decision or political statement? GSA Today 26 (3–4):4–10.
   Google Scholar
• Foster, M. A., R. S. Anderson, C. E. Wyshnytzky, W. B. Ouimet, and D. P. Dethier. 2015. Hillslope lowering rates and mobile-regolith residence times from in situ and meteoric 10Be analysis, Boulder Creek Critical Zone Observatory. Geological Society of America Bulletin 127 (5–6):862–78.
   Web of Science ®Google Scholar
• Fraser, J. A., M. Leach, and J. Fairhead. 2014. Anthropogenic dark earths in the landscapes of Upper Guinea, West Africa: Intentional or inevitable. Annals of the Association of American Geographers 104 (6):1222–38.
   Web of Science ®Google Scholar
• Graham, R., M. Finney, C. McHugh, J. Cohen, R. Stratton, L. Bradshaw, N. Nikolov, and D. Calkin. 2012. Fourmile Canyon fire findings. General Technical Report RMRS-GTR-289, U.S. Forest Service, Rocky Mountain Research Station, Fort Collins, CO.
   Google Scholar
• Hancock, G. R., J. B. C. Lowry, D. R. Moliere, and K. G. Evans. 2008. An evaluation of an enhanced soil erosion and landscape evolution model: A case study assessment of the former Nabarlek uranium mine, Northern Territory, Australia. Earth Surface Processes and Landforms 33:2045–63.
   Web of Science ®Google Scholar
• Henderson, C. W. 1926. Mining in Colorado—A history of discovery, development and production. Professional Paper 138, U.S. Geological Survey, Washington, DC.
   Google Scholar
• Hooke, R. L. 1994. On the efficacy of humans as geomorphic agents. GSA Today 4 (217):224–25.
   Google Scholar
• ———. 2000. On the history of humans as geomorphic agents. Geology 28 (9):843–46.
   Web of Science ®Google Scholar
• Hooke, R. L., J. F. Martín-Duque, and J. Pedraza. 2012. Land transformation by humans: A review. GSA Today 22 (12):4–10.
   Google Scholar
• Hoover, H. C. 1909. Principles of mining. New York: McGraw-Hill.
   Google Scholar
• Jackson, C. R., J. K. Martin, D. S. Leigh, and L. T. West. 2005. A southeastern piedmont watershed sediment budget: Evidence for a multi-millennial agricultural legacy. Journal of Soil and Water Conservation 60:298–310.
   Web of Science ®Google Scholar
• James, L. A. 1989. Sustained storage and transport of hydraulic gold mining sediment in the Bear River, California. Annals of the Association of American Geographers 79:570–92.
   Web of Science ®Google Scholar
• James, L. A., M. E. Hodgson, S. Ghoshal, and M. M. Latiolais. 2012. Geomorphic change detection using historic maps and DEM differencing: The temporal dimension of geospatial analysis. Geomorphology 137:181–98.
   Web of Science ®Google Scholar
• Kimbrough, R. A., and R. R. Holmes, Jr. 2015. Flooding in the South Platte River and Fountain Creek basins in eastern Colorado, September 9–18, 2013. Scientific Investigations Report 2015-5119, U.S. Geological Survey, Reston, VA.
   Google Scholar
• Knighton, A. D. 1989. River adjustment to changes in sediment load: The effects of tin mining on the Ringarooma River, Tasmania, 1875–1984. Earth Surface Processes and Landforms 14 (4):333–59.
   Web of Science ®Google Scholar
• Knox, J. C. 1987. Historical valley floor sedimentation in the Upper Mississippi Valley. Annals of the Association of American Geographers 77 (2):224–44.
   Web of Science ®Google Scholar
• Koschmann, A. H., and M. H. Bergendahl. 1968. Principal gold-producing districts of the United States. Professional Paper 610, U.S. Geological Survey, Reston, VA.
   Google Scholar
• Lecce, S. A., and R. T. Pavlowsky. 2001. Use of mining-contaminated sediment tracers to investigate the timing and rates of historical flood plain sedimentation. Geomorphology 38:85–108.
   Web of Science ®Google Scholar
• Lecce, S. A., R. Pavlowsky, and G. Schlomer. 2008. Mercury contamination of active channel sediment and floodplain deposits from historic gold mining at Gold Hill, North Carolina, USA. Environmental Geology 55 (1):113–21.
   Google Scholar
• Leopold, M., J. Völkel, D. Dethier, J. Huber, and M. Steffens. 2011. Characteristics of a paleosol and its implication for the critical zone development, Rocky Mountain Front Range of Colorado, USA. Applied Geochemistry 26:S72–S75.
   Web of Science ®Google Scholar
• Lewin, J., B. E. Davies, and P. J. Wolfenden. 1977. Interactions between channel change and historic mining sediments. In River channel changes, ed. K. J. Gregory, 353–67. Chichester, UK: Wiley.
   Google Scholar
• Lovering, T. S., and E. N. Goddard. 1950. Geology and ore deposits of the Front Range, Colorado. Professional Paper 223, U.S. Geological Survey, Reston, VA.
   Google Scholar
• Ma, L., J. Konter, E. Herndon, L. Jin, G. Steinhoefel, D. Sanchez, and S. Brantley. 2014. Quantifying an early signature of the industrial revolution from lead concentrations and isotopes in soils of Pennsylvania, USA. Anthropocene 7:16–29.
   Google Scholar
• Madej, M. A., and V. Ozaki. 2009. Persistence of effects of high sediment loading in a salmon-bearing river, northern California. Special Paper 451, Geological Society of America, Boulder CO.
   Google Scholar
• Madole, R. F. 2012. Holocene alluvial stratigraphy and response to climate change in the Roaring River valley, Front Range, Colorado, USA. Quaternary Research 78 (2):197–208.
   Web of Science ®Google Scholar
• Marcus, W. A., G. A., Meyer, and D. R., Nimmo. 2001. Geomorphic control on long-term persistence of mining impacts, Soda Butte Creek, Yellowstone National Park. Geology 29 (4):355–58.
   Web of Science ®Google Scholar
• Merritts, D., R. Walter, M. Rahnis, J. Hartranft, S. Cox, A. Gellis, N. Potter, et al. 2011. Anthropocene streams and base-level controls from historic dams in the unglaciated mid-Atlantic region, USA. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 369 (1938):976–1009.
   PubMed Web of Science ®Google Scholar
• Moody, J. A. 2016. Estimates of peak discharge for 21 sites in the Front Range in Colorado in response to extreme rainfall in September 2013. Scientific Investigations Report 2016–5003, U.S. Geological Survey, Reston, VA.
   Google Scholar
• Muhs, D. R., and J. B. Benedict. 2006. Eolian additions to late Quaternary alpine soils, Indian Peaks Wilderness Area, Colorado Front Range. Arctic, Antarctic, and Alpine Research 38:120–30.
   Web of Science ®Google Scholar
• Murphy, S. F. 2006. State of the watershed: Water quality of Boulder Creek Colorado. Circular 1284, U.S. Geological Survey, Reston, VA. Accessed December 1, 2014. http://pubs.usgs.gov/circ/circ1284/.
   Google Scholar
• Murphy, S. F., P. L. Verplanck, and L. B. Barber, eds. 2003. Comprehensive water quality of the Boulder Creek Watershed, Colorado, during high-flow and low-flow conditions, 2000. U.S. Geological Survey Water-Resources Investigations Report, vol. 03-4045, 198 pp.
   Google Scholar
• Murphy, S. F., J. H. Writer, and R. B. McCleskey. 2012. Effects of flow regime on stream turbidity and suspended solids after wildfire, Colorado Front Range. Proceedings, Wildfire and Water Quality: Processes, Impacts and Challenges 354:1–8.
   Google Scholar
• Murphy, S. F., J. H. Writer, R. B. McCleskey, and D. A. Martin. 2015. The role of precipitation type, intensity, and spatial distribution in source water quality after wildfire. Environmental Research Letters 10 (8):1–13.
   Web of Science ®Google Scholar
• Perroy, R. L., B. Bookhagen, O. A. Chadwick, and J. T. Howarth. 2012. Holocene and Anthropocene landscape change: Arroyo formation on Santa Cruz Island, California. Annals of the Association of American Geographers 102 (6):1229–50.
   Web of Science ®Google Scholar
• Ransome, F. L. 1901. A report on the economic geology of the Silverton Quadrangle, Colorado. U.S. Geological Survey Bulletin 182:265.
   Google Scholar
• Ruddiman, W. F. 2003. The anthropogenic greenhouse era began thousands of years ago. Climatic Change 61 (3):261–93.
   Web of Science ®Google Scholar
• ———. 2013. The anthropocene. Annual Review of Earth and Planetary Sciences 41:45–68.
   Web of Science ®Google Scholar
• Ruddy, B. C., M. R. Stevens, K. L. Verdin, and J. G. Elliott. 2010. Probability and volume of potential postwildfire debris flows in the 2010 Fourmile burn area, Boulder County, CO. Open-File Report No. 1244, U.S. Geological Survey, Reston, VA.
   Google Scholar
• Schildgen, T., D. P. Dethier, P. Bierman, and M. Caffee. 2002. 26Al and 10Be dating of late Pleistocene and Holocene fill terraces: A record of fluvial deposition and incision, Colorado Front Range. Earth Surface Processes and Landforms 27:773–87.
   Web of Science ®Google Scholar
• Shea, N., W. B. Ouimet, D. P. Dethier, R. Bierman, and H. Dylan. 2013. Spatial variations in mobile regolith thickness, meteoric 10Be concentration, and sediment storage in the Boulder Creek Critical Zone Observatory: Implications for landscape evolution and hillslope sediment transport. Geological Society of America Abstracts with Programs 45 (1):101.
   Google Scholar
• Sherriff, R. L., R. V. Platt, T. T. Veblen, T. L. Schoennagel, and M. H. Gartner. 2014. Historical, observed, and modeled wildfire severity in montane forests of the Colorado Front Range. PLoS ONE 9 (9):e106971.
   Web of Science ®Google Scholar
• Singer, M. B., R. Aalto, and L. A. James. 2008. Status of the lower Sacramento Valley flood-control system within the context of its natural geomorphic setting. Natural Hazards Review 9 (3):104–15.
   Google Scholar
• Steffen, W., P. J. Crutzen, and J. R. McNeill. 2007. The Anthropocene: Are humans now overwhelmingly the great forces of nature. Ambio 36:614–21.
   PubMed Web of Science ®Google Scholar
• Streeter, R., A. J. Dugmore, I. T. Lawson, E. Erlendsson, and K. J. Edwards. 2015. The onset of the palaeoanthropocene in Iceland: Changes in complex natural system. The Holocene 25 (10):1662–75.
   Web of Science ®Google Scholar
• Tarolli, P., and G. Sofia. 2016. Human topographic signatures and derived geomorphic processes across landscapes. Geomorphology 255:140–61.
   Web of Science ®Google Scholar
• Tweto, O., and P. K. Sims. 1963. Precambrian ancestry of the Colorado mineral belt. Geological Society of America Bulletin 74:991–1014.
   Web of Science ®Google Scholar
• Twitty, E. 2007. Amendment to Metal Mining and Tourist Era Resources of Boulder County Multiple Property Listing: National Park Service, National Register of Historic Places, NPS Form 10-900-b, OMB No. 1024-0018.
   Google Scholar
• Veblen, T. T., and J. A. Donnegan. 2005. Historic range of variability for forest vegetation of the national forests of the Colorado Front Range. Unpublished report, USDA Forest Service, Rocky Mountain Region, Lakewood, CO.
   Google Scholar
• Vincent, K. R., and J. G. Elliott. 2007. Response of the Upper Animas River downstream from Eureka to discharge of mill tailings. In Integrated investigations of environmental effects of historical mining in the Animas watershed, San Juan County, Colorado, ed. S. E. Church, P. von Guerard, and S. E. Finger, 893–941. Reston, VA: U.S. Geological Survey.
   Google Scholar
• Walter, R. C., and D. J. Merritts. 2008. Natural streams and the legacy of water-powered mills. Science 319 (5861):299–304.
   PubMed Web of Science ®Google Scholar
• Waters, C. N., J. Zalasiewicz, C. Summerhayes, A. D. Barnosky, C. Poirier, A. Ga, A. Cearreta, M. Edgeworth, E. C. Ellis, M. Ellis, et al. 2016. The Anthropocene is functionally and stratigraphically distinct from the Holocene. Science 351 (6269). doi:10.1126/science.aad2622.
   Web of Science ®Google Scholar
• Waters, C. N., J. A. Zalasiewicz, M. Williams, M. A. Ellis, and A. M. Snelling. 2014. A stratigraphical basis for the Anthropocene? Geological Society, London, Special Publications 395 (1):1–21.
   Google Scholar
• Wohl, E. E. 2001. Virtual rivers: Lessons from the mountain rivers of the Colorado Front Range. New Haven, CT: Yale University Press.
   Google Scholar
• Zalasiewicz, J., C. N. Waters, J. A. I. do Sul, P. L. Corcoran, A. D. Barnosky, A. Cearreta, M. Edgeworth, et al. 2016. The geological cycle of plastics and their use as a stratigraphic indicator of the Anthropocene. Anthropocene 13:4–17.
   Web of Science ®Google Scholar
• Zalasiewicz, J., C. N. Waters, M. Williams, A. D. Barnosky, A. Cearreta, P. Crutzen, E. Ellis, et al. 2015. When did the Anthropocene begin? A mid-twentieth century boundary level is stratigraphically optimal. Quaternary International 383:196–203.
   Google Scholar