The USGS (U.S. Geological Survey) publishes a set of topographic maps of the U.S. commonly known as US Topo Maps. These maps are seperated into rectangular quadrants that are intended to be printed at 22.75"x29" or larger.
The map now contains brown squares outlining nearby US Topo Map quadrants. Clicking anywhere within a quandrant will display an info window with the map name, as well as links to download the map to your computer, or order a waterproof printed map.
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