Redlands, California—July 1, 2014—Two of the nation’s most authoritative mapping sources, the U.S. Geological Survey and Esri, have partnered to put the rich tapestry of U.S. Historical Maps into the hands of everyone. Available in time for the Fourth of July and able to be accessed on all digital devices, the USGS Historical Topographic Map Explorer brings to life more than 178,000 […]