Detailed topographic route map to backcountry skiing at Rogers Pass. This is a handy companion map for the Rogers Pass: Uptracks, Bootpacks and Bushwacks guidebook. Author Douglas Sproul has spent 20 years in the Glacier National Park backcountry, acquiring the detailed beta for backcountry adventure in the Selkirks. It's tearproof, waterproof, has 20m contour intervals – and you can write on it!