The Congressional Record is the official record of the proceedings and debates of the United States Congress. It is published daily when Congress is in session. The Congressional Record began publication in 1873. Debates for sessions prior to 1873 are recorded in The Debates and Proceedings in the Congress of the United States (1789-1824), the Register of Debates in Congress (1824-1837), and the Congressional Globe (1833-1873)

This text explores the natural history of Texas and more than 2900 springs in 183 Texas counties. It also includes an in-depth discussion of the general characteristics of springs - their physical and prehistoric settings, their historical significance, and their associated flora and fauna.

Texas has changed a lot since the first European settlers arrived. Instead of bare prairies and unfordable creeks, there are now bridges, highways, buildings, and people who use them. Life became easier because engineers thought of unusual and innovative ways to bridge rivers, provide water, and light up the Lone Star skies at night.