Wilderness Navigation: Finding Your Way Using Map, Compass, Altimeter and GPS

By (author): "Mike Burns, Bob Burns"
Wilderness Navigation: Finding Your Way Using Map, Compass, Altimeter and GPS
ISBN0898866294
ISBN139780898866292
AsinWilderness Navigation: Finding Your Way Using Map, Compass, Altimeter and GPS
Guide to navigating on- and off-trails in the backcountry.