^ http://www.vta.org/bart/index.html ^ http://www.youtube.com/watch?v=_Nx8rNysZSI&fmt=18 ^ Regional Water Quality Control Board, San Francisco Bay Region (2) Boundaries . Retrieved 2007-02-20. Archived December 31, 2006 at the Wayback Machine . ^ "Find a park - San Francisco Bay Area Region" . California State Parks . http://www.parks.ca.gov/parkindex/region_info.asp?regiontab=0&id=5 . Retrieved 2006-06-20 .   ^ [1] ^