Thursday, July 03, 2014

Topographic Map Explorer from the USGS

From the CitiLabs article:
With the help of ESRI, the new site gives users access to more than 178,000 of the USGS's maps dating back to 1884, also making them easily searchable by city.

Learn more by reading the "how-to" CitiLabs article.
Go directly to the USGS Map Explorer

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