Adams, E. Department of Civil Engineering and Engineering Mechanics, Montana State University, Bozeman, MT 59717, U.S.A.

Akitaya, E. Institute of Low Temperature Science, Hokkaido University, Sapporo, Japan 060.

Alford, D. Box 3067, University Station, Laramie, WY 82071, U.S.A.

Armstrong, B. R. WDC-A, Institute of Arctic and Alpine Research, University of Colorado, Boulder, CO 80309, U.S.A.

Armstrong, R. L. Institute of Arctic and Alpine Research, University of Colorado, Boulder, CO 80309, U.S.A.

Arndt, B. 844 12th Street, Boulder, CO 80302, U.S.A.

Bachman, D. Box 303, Crested Butte, CO 81224, U.S.A.

Bakkehøi, S. Norwegian Geotechnical Institute, P.O. Box 40 Tåsen, Oslo 8, Norway.

Balzaretti, P. Via Pownghera 8, Ser. Valanche Ital., Comitato Zone Piemontesi, Torino, Italy.

Benedict, A. Overland Star Route, Ward, CO 80481, U.S.A.

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Björnsson, H. Science Institute, Dunhagi 3, University of Iceland, 107 Reykjavik, Iceland.

Bocquet, G. c/o Nivologie ct-gref, B.P. 114, 38402 St Martin d'Hères, France.

Bowles, D. Department of Civil Engineering and Engineering Mechanics, Montana State University, Bozeman, MT 59717, U.S.A.

Boyd, J. Box 206, Whistler, British Columbia V0N 1B0, Canada.

Boyne, H. S. Department of Earth Resources, Colorado State University, Fort Collins, CO 80523, U.S.A.

Brown, R. L. Department of Civil Engineering and Engineering Mechanics, Montana State University, Bozeman, MT 59717, U.S.A.

Brugger, F. c/o Nivologie ct-gref, B.P. 114, 38402 St Martin d'Hères, France.

Brugnot, G. 11 Bd Marechal Leclerc, 38000 Grenoble-Cedex, France.

Burroughs, B. J. Western Energy Co, P.O. Box 67, Colstrip, MT 59323, U.S.A.

Caola, E. Via Nicolodi 24, 38100 Trento, Italy.

Colbeck, S. C. U.S. Army Cold Regions Research and Engineering Laboratory, Hanover, NH 03755, U.S.A.

Collins, D. N. Department of Geography, University of Manchester, Manchester M13 9PL, England.

de Crécy, L. 2 rue de la Paix, 38000 Grenoble, France.

Crespi, M. Dept. Forestre, Venezia, Italy.

Cresta, R. 28030 Macugnaga, Italy.

Cupp, D. 2520 Albion, Denver, CO 80207, U.S.A.

Daffern, T. 106 Wimbledon Crescent, Calgary, Alberta T3G 3J1, Canada.

Davidson, D. 900 Saturn Drive, Colorado Springs, CO 80906, U.S.A.

Decker, R. Rt. 1, Box 298, Catalbo, ID 83810, U.S.A.

Dent, J. D. Rt. 2, Box 50, Lexley Acres, Belgrade, MT 59714, U.S.A.

DiBetta, J. c/o Nivologie ct-gref, B.P. 114, 38402 St Martin d'Hères, France.

Diether, P. A. 959 Blair Court, Palo Alto, CA 94303, U.S.A.

Domaas, U. Alingsasvn 21, 2013 Skjetten, Norway.

Eschner, A. R. College of Environmental Science and Forestry, State University of New York, Syracuse, NY 13210, U.S.A.

Fesler, D. Star Rt., Box 8610, Alaska State Parks, Birdcreek, AK 99540, U.S.A.

Fitzgerald, L. T. Snowbird Corp., Box 33, Snowbird, UT 84070, U.S.A.

Föhn, P. M. B. Eidg. Institut für Schnee- und Lawinenforschung, CH-7260 Weissfluhjoch, Davos, Switzerland.

Freer, G. L. Ministry of Highways, Parliament Buildings, Victoria, British Columbia V8W 3E6, Canada.

Fritzsche, W. Institut fur Elektronik der Technischen Universität Graz, Inffeldgasse 12, A-8010 Graz, Austria.

Frutiger, H. Eidg. Institut für Schnee- und Lawinenforschung, Jorg Jenatschstr. 1, CH-7260 Davos-Dorf, Switzerland.

Gansser, F. Via Roncaccio 21, 6942 Savosa, Lugano, Switzerland.

Geisler, B. 227 Wildwood Drive S.W., Calgary, Alberta T3C 3E2, Canada.

Glen, J. W. 18 Kerry Close, Birmingham B31 1NY, England.

Glenne, B. Department of Civil Engineering, University of Utah, Salt Lake City, UT 84112, U.S.A.

Gold, L. W. Division of Building Research, National Research Council of Canada, Ottawa, Ontario K1A 0R6, Canada.

Grady, T. Montana State University, 516 West Olive, Bozeman, MT 59717, U.S.A.

Gubler, H. Eidg. Institut für Schnee- und Lawinenforschung, CH-7260 Weissfluhjoch, Davos, Switzerland.

Hackett, J. U.S. Forest Service, Box 505, Girdwood, AK 99587, U.S.A.

Hackett, S. W. P.O. Box 80007, College, AK 99701, U.S.A.

Hamre, D. Alyeska Resort, Box 249, Girdwood, AK 99857, U.S.A.

Heller, T. U.S. Forest Service, Alta, UT 84070, U.S.A.

Hestnes, E. Norwegian Geotechnical Institute, P.O. Box 40 Tåsen, Oslo 8, Norway.

Homer, D. R. 43 Lutley Drive, Pedmore, Stourbridge, West Midlands DY9 0YQ, England.

Hopf, J. Wildbach- und Lawinenverbauung, Wilhelm Greilstr. 9, A-6070 Innsbruck, Austria.

Hunker, R. Box 532, Crested Butte, CO 81224, U.S.A.

Iversen, J. D. 4523 Westbend Drive, Ames, IA 50010, U.S.A.

Janes, R. U.S. Forest Service, P.O. Box 1628, Juneau, AK 99802, U.S.A.

Johnson, J. B. Oceanographic Services, Inc, P.O. Box 6783, Santa Barbara, CA 93111, U.S.A.

Jones, R. 571 Chapman Avenue, Coquitlam, British Columbia V3J 4A2, Canada.

Judson, A. U.S. Dept. of Agriculture, Rocky Mountain Forest and Range Experiment Station, 240 West Prospect Street, Fort Collins, CO 80526, U.S.A.

Körner, H. J. Geological Survey of Bavaria, Prinzregentenstr. 28, D-8000 Munich 22, Germany.

Kristensen, K. Norwegian Geotechnical Institute, P.O. Box 40 Tåsen, Oslo 8, Norway.

LaChapelle, E. R. Department of Atmospheric Sciences, University of Washington, Seattle, WA 98195, U.S.A.

Lang, T. E. 521 West Olive, Bozeman, MT 59715, U.S.A.

Larsen, J. O. Norwegian Geotechnical Institute, P.O. Box 40 Tåsen, Oslo 8, Norway.

LeChatelier, M. c/o Nivologie ct-gref, B.P. 114, 38402 St Martin d'Hères, France.

Lie, L. National Weather Service, Forecast Office, P.O. Box 1547, Juneau, AK 99802, U.S.A.

Lied, K. Norwegian Geotechnical Institute, P.O. Box 40 Tåsen, Oslo 8, Norway.

Lind, D. Department of Physics, University of Colorado, Boulder, CO 80302, U.S.A.

Lindh, C. J. P.O. Box 3036, Juneau, AK 99803, U.S.A.

McClung, D. P.O. Box 282, Canmore, Alberta T0L 0M0, Canada.

Maeno, N. Institute of Low Temperature Science, Hokkaido University, Sapporo, Japan 060.

Mandahl, R. Snowbird Ski Patrol, 400 Critalpa #305-B, Midvale, UT 84047, U.S.A.

Manning, D. D. 844 12th Street, Boulder, CO 80302, U.S.A.

Marbouty, D. 66 Bd Foch, 38000 Grenoble, France.

de Marliave, G. c/o Nivologie ct-gref, B.P. 114, 38402 St Martin d'Hères, France.

Martinelli, M., Jr 2921 Terry Lake Road, Fort Collins, CO 80524, U.S.A.

Marriott, R. 701 N.W. 90th, Seattle, WA 98117, U.S.A.

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Mears, A. 222 East Gothic Avenue, Gunnison, CO 81230, U.S.A.

Mitchell, W. University of Guelph, School of Engineering, Guelph, Ontario N1G 2W1, Canada.

Molnau, M. University of Idaho, Department of Agriculture Engineering, Moscow, ID 83843, U.S.A.

Montagne, J. Montana State University, Bozeman, MT 59717, U.S.A.

Moore, M. 15925 81st PI. N.E., Bothell, WA 98011, U.S.A.

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Narita, H. 126-24, 1-6 Toyohira-ku, Sapporo, Japan 062.

Oakberg, R. G. Montana State University, 201 West Grant Street, Bozeman, MT 59715, U.S.A.

Obled, C. Institut de Mécanique, Groupe d'Hydrologie, B.P. 53, 38041 Grenoble Cedex, France.

Oleskiw, M., Meteorology Division, Department of Geography, 3–32 Tory Building, University of Alberta, Edmonton, Alberta T6G 2H4, Canada.

Perla, R. Box 313, Canmore, Alberta T0L 0M0, Canada.

Plam, M. MRS University of Colorado, Nederland, CO 80466, U.S.A.

Poulson, G. U.S. Dept. of Agriculture Forest Service, Box 1689, Jackson, WY 83001, U.S.A.

Qiu Jiaqi Xinjiang Institute of Geography, Urumqi, Xinjiang, China.

Richardson, H. International Glaciological Society, c/o Scott Polar Research Institute, Lensfield Road, Cambridge CB2 1ER, England.

Roch, A. c/o Nivologie ct-gref, B.P. 114, 38402 St Martin d'Hères, France.

Rudolf, R. University of Ljubljana, VTO GG, Hajdrihova 28, 61111 Ljubljana, Yugoslavia.

St Lawrence, W. U.S. Army Cold Regions Research and Engineering Laboratory, P.O. Box 282, Hanover, NH 03755, U.S.A.

Saunders, N. W. DTSS, Inc, 10 Allen Street, Hanover, NH 03755, U.S.A.

Schaerer, P. National Research Council, 3904 West 4th Avenue, Vancouver, British Columbia V6R 1P5, Canada.

Schieldrop, B. Bogstadvn. 11, Oslo 3, Norway.

Schmidt, R. A. U.S. Dept. of Agriculture Forest Service, 240 West Prospect, Fort Collins, CO 80526, U.S.A.

Schneider, J. T. Crested Butte Ski Patrol, Box 1172, Crested Butte, CO 81224, U.S.A.

Shimizu, H. N-27 E-2, Higashi-ku, Sapporo, Japan 065.

Singh, H. 113 West Myrtle #6, Fort Collins, CO 80524, U.S.A.

Smith, F. W. Department of Mechanical Engineering, Colorado State University, Fort Collins, CO 80523, U.S.A.

Sommerfeld, R. A. U.S. Dept. of Agriculture, Rocky Mountain Forest and Range Experiment Station, 240 West Prospect Street, Fort Collins, CO 80526, U.S.A.

Sommerville, R. J. National Center for Atmospheric Research, P.O. Box 3000, Boulder, CO 80307, U.S.A.

Stethem, C. P.O. Box 8, Whistler, British Columbia V0N 1B0, Canada.

Tabler, R. 222 South 22nd Street, Laramie, WY 82070, U.S.A.

Takeuchi, M. Civil Engineering Research Institute, Hokkaido Development Bureau, Hiragishi, Sapporo, Japan 062.

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Theakson, F. H. School of Engineering, University of Guelph, Guelph, Ontario N1G 2W1, Canada.

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Wang Wenying Lanzhou Institute of Glaciology, Lanzhou, Gansu, China.

Wang Zhonglong Lanzhou Institute of Glaciology, Lanzhou, Gansu, China.

Ward, R. G. W. Department of Geography, Aberdeen University, Aberdeen AB9 2UF, Scotland.

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Yamada, Y. Institute of Snow and Ice Studies, Suyoshi, Nagaoka-shi, Niigata-ken, Japan 940.

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