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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 …
historicalmarkerproject/markers/HMFV_first-home-of-pomona-college_Pomona-CA.html
On this site, September 12, 1888,was held the first session of Pomona College.
historicalmarkerproject/markers/HMFB_george-chaffey-jr_Upland-CA.html
Man of Vision Land, Water and PowerFather ofThe Model Colony
Sponsored byUpland Sister Cities Association.Upland's Sister CityMildura, Australia,was founded byGeorge and W.B. Chaffey.
John Edward Svenson, FNSSSculptor
historicalmarkerproject/markers/HMDU_madonna-of-the-trail_Upland-CA.html
(South Face)N.S.D.A.R. Memorialto thePioneer Mothersof theCovered Wagon Days.
(East Face)This trail, trod by the Padres in Spanish Days,became, under Mexican rule, the road connectingLos Angeles, later the American Post Road.
(North Face)The…
historicalmarkerproject/markers/HMCB_sam-helwer_Scotia-CA.html
Sam Helwer, the son of German-Russian immigrants, began his life on a small dairy farm in Russell, Kansas. In 1936 he began his career with the California Division of Highways as an Engineering Aide. By the 1940's he was Project Engineer for the w…
historicalmarkerproject/markers/HMCA_ferndale_Ferndale-CA.html
This pioneer agricultural community, settled in 1852, helped feed the booming population of mid-century San Francisco. Long known as "Cream City," Ferndale made innovative and lasting contributions to the dairy industry. Local creameries, and the …