The U.S. Coast Survey map calculated the number of slaves in each county in the United States in 1860 ... the technique is useful for understanding history in our own day. One of the fundamental ...

At least 11 U.S. states are experiencing historic ... map. The U.S. Drought Monitor is jointly produced by the National Drought Mitigation Center at the University of Nebraska-Lincoln, the United ...

was meant to fill a void in educational texts about American history and geography. The idea to superimpose an eagle over a map of the United States came to mapmaker Joseph Churchman thanks to a ...

Did you know that the United States is divided into regions in different ways? In everyday conversations, we often refer to five regions: Northeast, Southeast, Midwest, Southwest, and West.

That progress you see in the above three maps was because of the steam engine. 1830 gave us Tom Thumb, the first U.S. steam locomotive, in Baltimore. And from there these machines took off.

On this page you will find maps showing almost every building in the United States. Why did we make such ... You can read history in the transition from curving, paved-over cow paths in old ...

How well do you know the United States? These 20 maps offer an overview of the economy, demographics, geography and history of the country of 335 million people as voters prepare to head to the ...