In 8° (cm. 26 x 20); pagg. 238; con numerosissime illustraz. fotograf., disegni e schizzi n.t.; leggera cartonatura origin. figurata. Firma. VG-. ** Agriculture Handfbook 489. Alpine Snow and Avalanche Project presso la Rocky Mountain Forest and Range Experiment Station. "This book is for ski patrolers, snow rangers, mountaineers, rescue teams, and others who encounter avalanches in work and recreation".
