Virtually the entire country was warmer than normal, but the most anomalous heat was centered over the Plains and Midwest. Map from Monthly Weather Review, July 1936, U.S. Weather Bureau/American ...

The United States of America is no more on new hit show Revolution, when a worldwide loss of electrical power leads to chaos, the crumbling of governments and the rise of militias.

The result was my 1981 book, “The Nine Nations of North America.”The reader reaction was astonishing. This map – drawn to anticipate the news – revealed something much deeper.

The Great Plains are the grasslands of the North American continent, and lie between the Mississippi River and the Rocky Mountains. Early European explorers found the Plains a very hostile ...

Maps and atlases for almost a century listed their heights as 15,700 and 16,000 feet, respectively, and some speculated that they could be the highest summits in North America.