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 ...

Topographic maps, also called contour maps, topo maps or topo quads, are maps that show topography, or land contours, by means of contour lines. Contour lines are curves that connect contiguous points ...

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 ...

The history of United States Geological Survey (USGS) topographic mapping reflects more than a shift in cartographic style — it represents a fundamental transformation in how geographic information is ...

No audio available for this content. This graphic represents the planned US Topo map production schedule for the next three- year revision cycle. The US Topo project repackages data from national GIS ...

This article was first published by Blog.GaiaGPS.com. To get more of Gaia GPS’s premium content along with your Outside subscription, join Outside+. Have you ever reached the trailhead and realized ...

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 ...