Timeline of the San Francisco Bay Area Gate across the bay<br> Atherton is incorporated in San Mateo County<br> California Memorial Stadium "(pictured, right)" opens in Berkeley, as the home field for the California Golden Bears football team of the University of California, Berkeley<br> The East Bay Municipal Utility District is formed to provide water and sewage treatment services to the East Bay<br> The San Francisco Opera Ballet gives its first performance, of "La bohème" "(pictured, left)", with Queena Mario and Giovanni Martinelli, conducted by founder Gaetano Merola, at the San Francisco Civic Auditorium 1924 1925 The heated, saltwater Fleishhacker Pool in San Francisco opens "(pictured, left)"<br> The
San Mateo Creek (San Francisco Bay Area) San Mateo Creek (San Francisco Bay Area) San Mateo Creek ("Spanish for": St. Matthew Creek) is a perennial stream whose watershed includes Crystal Springs Reservoir, for which it is the only natural outlet after passing Crystal Springs Dam. After discovering San Francisco Bay from Sweeney Ridge on November 4, 1769, the Portolà expedition descended what Portolà called the "Cañada de San Francisco", now San Andreas Creek (or possibly San Mateo Creek), both of which emptied into the "Laguna Grande" where the party camped (now covered by the Upper Crystal Springs Reservoir). The Laguna Grande place name is also shown on