Using scanned maps and data from the United States Geological Survey (USGS), Esri developed an interactive tool to explore topographic maps of the US.

While this map does not show what the United States could look like in the year 2051, there are expected to be some climate-related changes in the coming decades. National Geographic writes : ...

Map: The United 38 States of America. June 24, 2014 More than 10 years ago. By Aaron Blake. We'll admit it: We're suckers for ways to reimagine the political boundaries of the United States.

The “Eagle Map of the United States, Engraved for Rudiments of National Knowledge” first appeared in an 1833 atlas published by E.L. Carey and A. Hart of Philadelphia.