Source: U.S. Dept. of the Interior, Geological Survey According to the theory of continental drift, the world was made up of a single continent through most of geologic time. That continent…
Editor Paul Lagassé
Senior Editors Lora Goldman Archie Hobson Susan R. Norton
Associate Editors Barry J. Katzen Alan D. Levy Theodore Zinn
Contributors Curt Bertschi Helen…
CANNON, Joseph Gurney, a Representative from Illinois; born in Guilford, Guilford County, N.C., May 7, 1836; moved with his parents to Bloomingdale, Ind., in 1840; completed preparatory…
Girls Across America by Holly Hartman From Tracy, California, to Chelsea, Vermont, the map of the United States is dotted with girls' names. Here are a few. Allison, Iowa Amy, Kansas…
