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 ...

(Data West Research Agency definition: see GIS glossary.) A map depicting terrain relief showing ground elevation, usually through either contour lines or spot elevations. The map represents the ...

You can snag good topographic maps pretty easily from outdoor shops and from park ranger offices, but if you want to take a closer look at a place from the comfort of your own home, National ...

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If you intend on delaying your gift-buying to the degree that you have to 3D print a few just before go time, you’re in luck. This easy to use little tool lets you quickly select, customize, and print ...

A new high resolution digital dataset and map—named Itiner-e—of roads throughout the Roman Empire around the year 150 CE is presented in research published in Scientific Data. The findings increase ...