The great 1906 San Francisco earthquake destroyed key portions of the City of San Francisco's water system. The three days of unquenchable fires that followed the quake claimed more than four square miles of land, thousands of buildings and an unt…
(Tablet 1)O'Shaughnessy Dam1915-1922 City and County of San Francisco. James Rolph Jr. Mayor
· Foundation Elev. 3388 · Bottom Valves Elev. 3508 · Initial Crest Elev. 3726 · Length of Crest 600· Storage Cap'y …
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