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San Pedro Springs
San Pedro Springs is the name of a cluster of springs in Bexar County, Texas, U.S.A. These springs provide water for San Pedro Creek, which flows into the San Antonio River. The San Antonio Springs also feed into the San Antonio River.
==Natural history==
The San Pedro Springs are located in the Tobin Hill neighborhood of San Antonio, about 1.6 miles (2.6 km) north of Downtown San Antonio. Most of the springs are within San Pedro Springs Park, the oldest park in Texas. The springs are fed by water from the Edwards Aquifer; this water reaches the surface through faults along the Balcones Escarpment. There are 13 primary springs, but they seldom flow due to pumping demands on the Edwards Aquifer.
In addition to the association of groundwater availability with this locale along the Balcones Fault, the area is also considered an ecological dividing line for occurrence of some species; for example, the California Fan Palm, ''Washingtonia filifera'' occurs only at or west of San Pedro Springs, i.e. Balcones Fault zone.〔C. Michael Hogan. 2009〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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