Avalanche Handbook
by PERLA, Ronald I. and M. Martinelli, Jr.
$20 · Offered by Between the Covers
(Washington, D.C.): U.S. Department of Agriculture, Forest Service, 1978. Softcover. Revised edition. Quarto. 254pp. Heavily illustrated. Wrappers. Light curling at foredge, faint dampstain affecting the very upper corner of the last 55 pages, light general wear, very good. More
Found via Rare Books Intel, a search across rare-book dealers, auction houses and marketplaces worldwide.