Historical Marker Search

You searched for City|State: groveland, ca

Page 2 of 2 — Showing results 11 to 15 of 15
historicalmarkerproject/markers/HMLQ_trails-and-waterfalls_Groveland-CA.html
Within this 459-square-mile Hetch Hetchy watershed are 287 miles of trails, including a portion of the Pacific Crest Trail. They offer views of an abundance of flora and fauna, along with breathtaking scenery. Upstream from the dam to your left…
historicalmarkerproject/markers/HMLP_water-quality-at-hetch-hetchy_Groveland-CA.html
The Tuolumne River supplies 85% of the water for 2.4 million people. It originates from pristine spring snowmelt as far upstream as Mt. Lyell at an elevation of 13,114 feet. The City and County of San Francisco protects the resources entrusted…
historicalmarkerproject/markers/HMLO_producing-clean-renewable-energy_Groveland-CA.html
Every year the Hetch Hetchy Water and Power System produces 1.7 billion kilowatt-hours of clean renewable hydropower - equivalent to the power generated from burning 39 million gallons of oil. Early Intake Powerhouse was built in 1918, twelve m…
historicalmarkerproject/markers/HMLN_hetch-hetchy-reservoir-and-o-shaughnessy-dam_Groveland-CA.html
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…
historicalmarkerproject/markers/HML6_o-shaughnessy-dam_Groveland-CA.html
(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 …
PAGE 2 OF 2