Ronald I. Perla, M. Martinelli, Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.), United States. Forest Service
U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, Alpine Snow and Avalanche Research Project, 1976 - Avalanches - 238 pages
Deals comprehensively and practically with effects, causes and behaviour of avalanches, protection of ski areas, highways and villages, and safety and rescue.
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The mountain snowpack
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accident air temperature amount artillery avalanche activity avalanche control avalanche dog avalanche hazard avalanche paths avalanche workers bed surface belay blasting chapter charge column cornice debris density deposited depth hoar detonating cord duds equipment example explosive Figure flow fracture free water Frutiger gradient graupel ground gullies hard slab HEP-T highway howitzer ice skeleton impact pressure lanche large avalanches lift loading loose-snow avalanches measured melting metamorphism meter mountain observations orographic lifting Photo possible precipitation primers problem radiation release rescue ridge ridgecrest rimed Rogers Pass runout zone safety fuse shear shear stress ski areas skiers slab avalanches snow crystals snow layer snow surface snowfall snowpack snowpit soft slab stability evaluation starting zone storm stress structures target terrain test skiing TG grains TG layers TG metamorphism tion track Trans-Canada Highway transceiver trees trigger U.S. FOREST SERVICE usually vapor Weather Service wet snow wind windspeed