OCR Text |
Show P R E F A C E This handbook has been prepared prijnarily for the guidance of Forest Officers concerned with the safety of skiers using winter sports areas within the national forests, it discusses the various phases of avalanche hazard evaluation and control in layman language. Although parts of the handbook are devoted to a description of the research methods developed to evaluate hazard and snow stability, the primary purpose of the handbook is for the guidance of the " man- on- the- ground" in coping with the problem. During the past few winters private, State and other Federal agencies concerned with transportation or other activities in high alpine zones subject to avalanches have become increasingly interested in the methods herein described to evaluate and control the slide hazard. For this reason the scope of the handbook is not confined to winter sports areas alone. Snow Ranger Jtontgomery M, Atwater and Forest Supervisor Felix C. Koziol, Wasatch National Forest, Utah, are primarily responsible for preparation of this handbook. - xi - |