The Edwards Aquifer Timeline
10,000 BC Flint tools indicate the presence of the Clovis peoples at San Marcos Springs marking the start of one of the longest continually inhabited sites in North America |
1535 AD Spanish explorers discover the San Antonio River and San Pedro Springs |
1709 Franciscan Monks discover the San Marcos River |
|
1714 St. Dennis starts a small trading village near San Antonio Springs First major acequia built in San Antonio |

