Evolution Loop Recommended Reading:
	Backcountry Skiing California's High Sierra by John Moynier Available at The Back Country
	BACKCOUNTRY SKIING: Skills for Ski Touring and Ski Mountaineering by Martin Volken, Scott Shell and Margaret Wheeler Available at The Back Country.
Links: The Back Country:   www.thebackcountry.net Wild Snow:   www.wildsnow.com K2:   www.k2ski.com Garmont:   www.garmont.com Ortovox:   www.ortovox.com Patagonia:   www.patagonia.com Mammut:   www.mammut.com