Learn all about where ground water is stored, how it moves, and how it is accessed in a detailed and thorough 10-page reading. Whether supplementing reading for an existing environmental or earth science course or providing background...

The Library of Congress profiles Massachusetts in this fact-filled article about the "Old Colony State."

This encyclopedia entry gives interesting information about how the Quakers encouraged legislation that led to the banning of slavery in states in the Northeast by 1820.

A detailed, 5-page article giving an in-depth look at the problems in Kansas after the passage of the Kansas-Nebraska Act.

As the country prepared for yet another war with Britain, the United States suffered from internal divisions. While the South and West favored war, New York and New England opposed it because it interfered with their commerce. The...