The USGS publishes free topographic maps that show trails, rivers, and campsites in great detail for hikers, cyclists, and ...

WASHINGTON DC — Hikers, hunters and other outdoor recreationists will be pleased to know that free digital topographic maps are now available online from the U.S. Geological Survey.

For outdoor lovers, no map is more iconic – or useful – than a USGS topo map. While the concentric, sepia lassos of elevation are the maps’ visual signature, their real power is the cross-referenced ...

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Beginning in the 1940s, the U.S. Geological Survey’s National Mapping Program was tasked with the immense cartographical feat of surveying the entire country to create a series of more than 50,000 ...