Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce and increasingly expensive. We are republishing the

* GPS chapter completely updated to reflect newer models and features of GPS receivers now available * Expanded to include a section on routefinding on glaciers

Shows how to determine locations in the wilderness, in a desert, in snow-covered areas, and on the ocean, applying methods used by aboriginal peoples and early

Guide to safe exploration of the wilderness, with instructions for using a compass, reading maps, planning an outing, navagating in the field, and understanding

Due to the level of detail, the images are best viewed on a tablet. All the techniques you need to become an expert navigator.