Did you know that San Antonio was built on top of the Edwards Aquifer? The city gets much of its water from this source. Find out more about this fascinating city in San Antonio, part of the American Cities series. American Cities takes young readers on a tour of our capitals and major centers. Each book explores the geography, history, and people that give the featured city its distinctive flair. This is an AV2 media enhanced book. A unique book code printed on page 2 unlocks multimedia content. This book comes alive with video, audio, weblinks, slideshows, activities, hands-on experiments, and much more

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