Hetch Hetchy Aqueduct
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Category:Aqueducts in California
Category:Buildings and structures in the San Francisco Bay Area
Category:Transportation buildings and structures in Mariposa County, California
Category:Transportation buildings and structures in Tuolumne County, California
Category:Transportation buildings and structures in Alameda County, California
Category:Transportation buildings and structures in San Mateo County, California
Category:Transportation buildings and structures in Stanislaus County, California
Category:Transportation buildings and structures in San Joaquin County, California