References Cited
- Armstrong, B. R., 1976: Century of struggle against snow: a history of avalanche hazard in San Juan County, Colorado. Univ. Colo., Inst. Arct. Alp. Res., Occas. Pap., 18. 97 pp.
- Armstrong, B. R., 1977: Avalanche hazard in Ouray County, Colorado, 1877-1976. Univ. Colo., Inst. Arct. Alp. Res., Occas. Pap., 24. 125 pp.
- Armstrong, B. R. and Armstrong, R. L., 1977: Avalanche Atlas, Ouray County, Colorado. Univ. Colo., Inst. Arct. Alp. Res., Occas. Pap., 25. 132 pp.
- Armstrong, R. L., 1976: Wet snow avalanches. Chapter 4. In Armstrong, R. L. and Ives, J. D. (eds.), Avalanche Release and Snow Characteristics: San Juan Mountains, Colorado. Univ. Colo., Inst. Arc. Alp. Res., Occas. Pap., 19, 67–81.
- Armstrong, R. L. and Ives, J. D. (eds.), 1976: Avalanche release and snow characteristics, San Juan Mountains, Colorado. Univ. Colo., Inst. Arct. Alp. Res., Occas. Pap., 19. 256 pp.
- Aulitzky, H., 1973: Berücksichtigung der Wildbach und Lawinen gefahrengebiete als Grundlage der Raumordnung von Gebirgsländern. 100 Jahre Hochschule für Bordenkaltur, Wien, IV (2): 81–113.
- Aulitzky, H., 1974: Endangered Alpine Regions and Disaster Prevention Measures. Nature and Environment Series, 6, Council of Europe, Strasbourg. 103 pp.
- Barker, F., 1969: Precambrian geology of the Needle Mountains, southwestern Colorado. U.S. Geol. Surv. Prof. Pap., 644-A. 35 pp.
- Bovis, M. J., 1977: Statistical forecasting of snow avalanches, San Juan Mountains, southern Colorado, U.S.A. J. Glaciol., 18(78): 87–99.
- Bovis, M. J., et al., 1976a: Natural hazards of San Juan County, Colorado. Inst. Arct. Alp. Res., Univ. of Colorado, unpubl. report to the San Juan County Planning Commission. NASA-PY Grant No. NGL 06-003-200. 48 pp., 14 plates.
- Bovis, M. J., et al., 1976b: Natural hazards of San Miguel County, Colorado. Inst. Arct. Alp. Res., Univ. of Colorado, unpubl. report to the San Miguel County Planning Commission. NASA-PY Grant No. NGL 06-003-200. 50 pp., 18 plates.
- Bovis, M. J., et al., 1976c: Natural hazards of Ouray County, Colorado. Inst. Arct. Alp. Res., Univ. of Colorado, unpubl. report to the Ouray County Planning Commission. NASA-PY Grant No. NGL 06-003-200. 48 pp., 16 plates.
- Bovis, M. J. and Mears, A. I., 1976: Statistical prediction of snow avalanche runout from terrain variables in Colorado. Arct. Alp. Res., 8(1): 115–120.
- Burbank, W. S. and Luedke, R. G., 1964: Geology of the Ironton quadrangle. U.S. Geol. Surv. Geol. Quad. Map, GQ-291.
- Burrows, C. J. and Burrows, V. L., 1976: Procedures for the study of snow avalanche chronology using growth layers of woody plants. Univ. Colo., Inst. Arct. Alp. Res., Occas. Pap., 23. 60 pp.
- Caine, N., 1976a: Summer rainstorms in an alpine environment and their influence on soil erosion, San Juan Mountains, Colorado. Arct. Alp. Res., 8: 183–196.
- Caine, N., 1976b: The influence of snow and increased snowfall on contemporary geomorphic processes in alpine areas. In Steinhoff, H. W. and Ives, J. D. (eds.), Ecological Impacts of Snowpack Augmentation in the San Juan Mountains of Colorado. Final Report of San Juan Ecology Project for Div. of Atmospheric Water Resources Management, Bureau of Reclamation. Colorado State Univ., Fort Collins, 145–200.
- Clark, J. A., 1974: Mudflows in the San Juan Mountains, Colorado: controls and work. M.Sc. thesis, Univ. of Colorado, Boulder, 102 pp.
- Cross, W. and Irving, J. D., 1907: Ouray Quadrangle. U.S. Geol. Surv. Folio, 153.
- Frutiger, H., 1964: Snow avalanches along Colorado mountain highways. U.S. Dep. Agric. Forest Ser. Res. Pap. RM-7. 85 pp.
- Frutiger, H., 1970: Der Lawinenzonenplan. Schweiz. Z. Forstwes., 121(4): 246-276. (Transl. The avalanche zoning plan. U.S. Dep. Agric. Forest Serv., Alta Avalanche Study Center, Transl., 11, 1970, 24 pp.)
- Ives, J. D., 1977: Natural hazard mapping in mountain areas: An International questionnaire. Mimeo, Boulder, Colorado.
- Ives, J. D. and Krebs, P. V., 1978: Natural hazards research and land-use planning responses in mountainous terrain: The Town of Vail, Colorado Rocky Mountains, U.S.A. Arct. Alp. Res., 10(2): 213–222.
- Ives, J. D., Mears, A. I., Carrara, P. E., and Bovis, M. J., 1976: Natural hazards in mountain Colorado. Ann. Assoc. Amer. Geogr., 66(1): 129–144.
- Johnson, A. M., 1970: Physical Processes in Geology. Freeman, Cooper &Co., San Francisco. 577 pp.
- Kienholz, H., 1977: Kombinierte geomorphologische Gefahrenkarte, 1:10,000 von Grindelwald. Catena, 3(3/4, parts A and B): 265–294.
- Kienholz, H., 1978: Maps of geomorphology and natural hazards of Grinderwald: scale 1:10,000. Arct. Alp. Res., 10(2):
- Larsen, E. S. and Cross, W., 1956: Geology and petrology of the San Juan Region, southwestern Colorado. US Geol. Surv. Prof. Pap., 258. 303 pp.
- Luedke, R. G. and Burbank, W. S., 1962: Geology of the Ouray Quadrangle, Colorado. U.S. Geol. Surv. Geol. Quad. Map, GQ-152.
- Mears, A. I., 1976: Guidelines and methods for detailed snow avalanche hazard investigations in Colorado. Colo. Geol. Surv. Bull., 38. 125 pp.
- Mears, A. I., in press: Avalanche hazards in Colorado—special studies of selected development areas. Colo. Geol. Surv. Spec. Publ. 7.
- Miller, L., Armstrong, B. R., and Armstrong, R. L., 1976: Avalanche atlas, San Juan County, Colorado. Univ. Colo., Inst. Arct. Alp. Res., Occas. Pap., 17. 232 pp.
- Perla, R. I. and Martinelli, M., Jr., 1976: Avalanche Handbook. Agriculture Handbook 489, U.S. Department of Agriculture, Washington, D.C. 238 pp.
- Rogers, W. P., et al., 1974: Guidelines and criteria for identification and land-use controls of geologic hazard and mineral resource areas. Colo. Geol. Surv. Spec. Publ., 6. 146 pp.
- Sharpe, D. R., 1974: Mudflows in the San Juan Mountains, Colorado: flow constraints, frequency and erosional effectiveness. M.Sc. thesis, Univ. of Colorado, Boulder. 126 pp.
- Spoelhof, R. W., 1974: Pennsylvanian stratigraphy and tectonics in the Lime Creek-Molas Lake area, San Juan County, Colorado. Ph.D. thesis, Colorado School of Mines, Golden. 193 pp.
- Steinhoff, H. W. and Ives, J. D. (eds.), 1976: Ecological Impacts of Snowpack Augmentation in the San Juan Mountains of Colorado. Final report of San Juan Ecology Project prepared for the Division of Atmospheric Water Resources Management, Bureau of Reclamation. Colorado State University, Fort Collins. 489 pp.
- Steven, T. A., Lipman, P. W., Hail, W. J., Jr., Barker, F., and Luedke, R. G., 1974: Geologic map of the Durango Quadrangle, southwestern Colorado. U.S. Geol. Surv. Misc. Invest., I-764.
- Varnes, D. J., 1963: Geology and ore deposits of the South Silverton mining area, San Juan Mountains, Colorado. U.S. Geol. Surv. Prof. Pap., 378-A. 56 pp.
- Varnes, H. D., 1949: Landslide problems of southwestern Colorado. U.S. Geol. Surv. Circ., 31. 13 pp.
- White, S. E., 1971: Rock glacier studies in the Colorado Front Range, 1961 to 1968. Arct. Alp. Res., 3(1): 43–64.
- Williams, K., 1975: The snowy torrents: avalanche accidents in the United States 1967-71. U.S. Dep. Agric. Forest Serv. Tech. Rep., RM-8: 114–115.