This article is within the scope of the San Francisco Bay Area WikiProject, a collaborative effort to build a more detailed guide on Wikipedia's coverage of San Francisco and the Bay Area. If you would like to participate, you can visit the project page, where you can join the project and see a list of open tasks.
Promoted to B class with images and descriptions of upper and lower reaches and expanded material on bridges, quarry etc. Anlace 00:50, 12 February 2007 (UTC)