I normally bring three types of topographic maps: a paper small-scale overview map, paper large-scale detailed maps, and digital maps (sometimes including additional imagery or data) on a smartphone.

Add Yahoo as a preferred source to see more of our stories on Google. When was the last time you planned a backpacking trip without a computer, phone, or GPS unit? Think hard. Unless you're a ...

No audio available for this content. Photo: ASTRALiTe/SBG Systems The ASTRALiTe Edge is a small-scale topographic and bathymetric scanning lidar that can detect underwater objects, measure shallow ...

OFFICIAL large-scale maps are available for comparatively few parts of the world outside western and central Europe, including the British Isles, the eastern United States, India, much of Burma, ...