Snow avalanche
Subtitle: general rules for avoiding & surviving snow avalanches.
Contributors: United States. Forest Service. Pacific Northwest Region.
Edition: Rev. 1982.
Publisher: Pacific Northwest Region, USDA Forest Service
Published: 1982
Place of publication: [Portland, Or.?]
Language: eng
Subjects: Avalanches.
Notes: "Reprinted from USDA Forest Service aid no. 1090 (1974)".