[ gpsdrive ] A New Generation of Maps: "US Topo"

[Charles Curley]

A New Generation of Maps

US Topo is the next generation of digital topographic maps from the
U.S. Geological Survey. Arranged in the traditional 7.5-minute
quadrangle format, digital US Topo maps are designed to look and feel
like the traditional paper topographic maps for which the USGS is so
well known. At the same time, US Topo maps provide modern technical
advantages that support wider and faster public distribution and enable
basic, on-screen geographic analysis for all users.

US Topo maps are available free on the Web. Each map quadrangle is
constructed in GeoPDF® format from key layers of geographic data –
orthoimagery, roads, geographic names, contours and hydrographic
features - found in The National Map, which is a nationwide collection
of integrated data from local, State, Federal, and other sources.

http://nationalmap.gov/ustopo/

Yet another source of maps!

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