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South San Ramon Creek is a 〔U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. (The National Map ), accessed March 15, 2011〕 southward-flowing stream in Alameda County and southern Contra Costa County, California, USA. The creek is a tributary to Arroyo de la Laguna and is being actively protected as of 2007 by the city of San Ramon〔(Iron Horse Trail, San Ramon California )〕 and other entities to preserve riparian zone habitat. The public Iron Horse Trail runs along a portion of South San Ramon Creek. South San Ramon Creek drains the land area generally lying above the Bishop Subbasin of the Livermore Valley Groundwater Basin. The Bishop Subbasin comprises of valley lands in the far northwestern portion of Livermore Valley Ground Water Basin.〔C.Michael Hogan and Marc Papineau, ''Phase I Environmental Site Assessment, Vicinity of Deerwood Drive and Bollinger Canyon Road, San Ramon, California'', Earth Metrics Inc.File ref 7815, San Mateo, Ca. (1989)〕 It lies entirely within Contra Costa County, is drained by, and is a portion of that area locally designated as San Ramon Valley. The subbasin is bounded on the east and west by rolling hills composed of sediments of the Tassajara Formation. ==See also== *Bishop Subbasin *List of watercourses in the San Francisco Bay Area *Tassajara Formation 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「South San Ramon Creek」の詳細全文を読む スポンサード リンク
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