These articles will be helpful in completing the Lesson 1 Assignment.

This article from the St. Louis Post-Dispatch describes the importance of the Mississippi to the international grain trade. The Mississippi and St. Louis: Keys to the Global Grain Trade

This article from the Texas State Historical Association describes how important oil has been to the development of the city of Beaumont, Texas. Beaumont, TX

This article from the Wall Street Journal: Market Watch explains how the climate of Arizona attracts people looking to retire. Retire Here, Not There: Arizona

This site from Wikipedia: Denver