Much of west Austin sits above the environmentally-sensitive Edwards Aquifer which supplies drinking water to more than 60,000 people, feeds countless springs, including Barton Springs, and supplies water to the Colorado River.
<h3>Barton Creek Greenbelt</h3>
<iframe title="Underground Austin - Geology" width="560" height="315" src="https://www.youtube.com/embed/videoseries?list=PL4DE9788E1378D157" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
<iframe title="Underground Austin - Geology" width="560" height="315" src="https://www.youtube.com/embed/videoseries?list=PL4DE9788E1378D157" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>