TY - BOOK ED - United States. TI - Avalanche handbook AV - QC929.S7 U46 U1 - 551.31 PY - 1953///] CY - [Washington KW - Avalanches KW - Snow N1 - Cover title; Replaces The Alta avalanche studies, issued by the U.S. Forest Service, Intermountain Region; Bibliography: p. 146 ER -