The USGS tweeted today that they posted all the nearly 2,000 topo maps from Arizona to the National Map online for free viewing or downloading. Unfortunately, the links to the USGS news announcements are not working, so no more details are available at the moment. [Right, example of AZ topo map available at the USGS National Map website]The tweet says that 48,585 topos are now online at the National Map from around the country.
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