When was the last time you planned a backpacking trip without a computer, phone, or GPS unit? Think hard. Unless you're a dedicated old-schooler, it probably wasn't recently. If your map skills are ...
SANTA CLARA, CA – May 8, 2012 – Magellan, a leader of innovative GPS devices for vehicles, outdoor and mobile navigation, today announced the availability of National Geographic's TOPO!, the most ...
During the latter half of the twentieth century, the backbone of the U.S. Geological Survey’s national mapping effort was the 7.5-minute topographic quadrangle. These detailed printed maps defined ...