Interesting abstract about the flood that hit the Midwest in 1993, one of the worst floods in United States History. Find out why the flood occurred, the damage, maps of the damage, charts, graphs, and statistics.

Read a description of the terms of the Louisiana Purchase. There is a map to show the land that was included in this deal.

This activity can be used as an introduction or for a closer study of the Lewis & Clark Expedition. Students will learn that the United States purchased the Louisiana Territory in 1803 and President Thomas Jefferson sent Lewis and...

The Mississippi Delta is disappearing because of rising sea levels and the construction of levees, yet the deltas in the Atchafalaya Bay are growing. View this video from NASA showing images collected over 31 years showing the growth of...