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East Fork Russian River
East Fork Russian River is a long tributary of the Russian River in Mendocino County, California artificially connected to the Eel River via an interbasin diversion at the Potter Valley Project hydroelectric facility. It forms in the north of Potter Valley, flows south through this valley, then southwest through a mountain pass to Lake Mendocino, an artificial reservoir that empties into Russian River. At one time Clear Lake to the east drained through Cold Creek then along the lower part of East Fork Russian River through Coyote Valley to the Russian River proper. A few hundred years ago a massive landslide blocked this channel, and Clear Lake found a new outlet to the Sacramento River. Cold Creek flows year round, while the upper part of East Fork Russian River used to dry up in the summer leaving isolated pools along its course. This changed when the Potter Valley Project was completed in 1908. The project involved construction of two reservoirs on Eel River to the north of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mendocino County, California
Mendocino County (; ''Mendocino'', Spanish language, Spanish for "of Antonio de Mendoza, Mendoza) is a County (United States), county located on the North Coast (California), North Coast of the U.S. state of California. As of the 2020 United States Census, 2020 census, the population was 91,601. The county seat is Ukiah, California, Ukiah. Mendocino County consists wholly of the Ukiah, CA Micropolitan Statistical Area, Micropolitan Statistical Area (μSA) for the purposes of the United States Census Bureau, U.S. Census Bureau. It is located approximately equidistant from the San Francisco Bay Area and California/Oregon border, separated from the Sacramento Valley to the east by the California Coast Ranges. While smaller areas of redwood forest are found further south, it is the southernmost California county to be included in the World Wide Fund for Nature, World Wildlife Fund's Pacific temperate rainforests, Pacific temperate rainforests ecoregion, the largest temperate rainfore ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lake County, California
Lake County is a county located in the north central portion of the U.S. state of California. As of the 2020 census, the population was 68,163. The county seat is Lakeport. The county takes its name from Clear Lake, the dominant geographic feature in the county and the largest non-extinct natural lake wholly within California. (Lake Tahoe is partially in Nevada; the Salton Sea was formed by flooding; Tulare Lake was drained by the agricultural industry.) Lake County forms the Clearlake, California micropolitan statistical area. It is directly north of the San Francisco Bay Area. Lake County is part of California's Wine Country, which also includes Napa, Sonoma, and Mendocino counties. It includes five American Viticultural Areas and over 35 wineries. History Lake County has been inhabited by Pomo Native Americans for over ten thousand years. Pomos had been fishermen and hunters, known especially for their intricate basketry made from lakeshore tules and other native plan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lake Sonoma
Lake Sonoma is a reservoir west of Cloverdale in northern Sonoma County, California, created by the construction of Warm Springs Dam. Access from U.S. Route 101 is by way of Canyon Road (from the south) from Geyserville, or Dutcher Creek Road (from the north) from Cloverdale. The lake provides water for countywide growth and development, and for recreation. At full capacity, it has of shoreline, a surface area of more than , and holds of water. Activities include boating, swimming, fishing, riding, hiking, camping, and hunting. Notable features include the Milt Brandt Visitor Center, the adjacent Congressman Don Clausen Fish Hatchery, and the Warm Springs Recreation Area below the dam. History Pomo people had lived in the Dry Creek and Warm Springs region for over five thousand years. The construction of this lake completely destroyed 122 areas associated with the history of human use. This included ten house-pits, five hunting blinds, two chert quarries, and eleven locations ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sonoma Water
Sonoma Water, formerly known as the Sonoma County Water Agency, maintains a water transmission system that provides naturally filtered Russian River water to more than 600,000 residents in portions of Sonoma County, California and Marin County, California. The Water Agency is a water wholesaler that sells potable water to nine cities and special districts that in turn sell drinking water to their residents. These cities and special districts are: the City of Santa Rosa, Rohnert Park, Cotati, Petaluma, Sonoma, the Town of Windsor, Valley of the Moon Water District, Marin Municipal Water District, and North Marin Water District. Mission The mission of the Sonoma Water is to, "effectively manage the water resources in our care for the benefit of people and the environment through resource and environmental stewardship, technical innovation, and responsible fiscal management." Board of directors The Sonoma County Board of Supervisors acts as the Sonoma Water's Board of Directo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Army Corps Of Engineers
, colors = , anniversaries = 16 June (Organization Day) , battles = , battles_label = Wars , website = , commander1 = LTG Scott A. Spellmon , commander1_label = Chief of Engineers and Commanding General of the U.S. Army Corps of Engineers , commander2 = MGbr>Richard J. Heitkamp, commander2_label = Deputy Chief of Engineers and Deputy Commanding General , commander3 = MGKimberly M. Colloton, commander3_label = Deputy Commanding General for Military and International Operations , commander4 = MGbr>William H. Graham, commander4_label = Deputy Commanding General for Civil and Emergency Operations , commander5 = COLbr>James J. Handura, commander5_label = Chief of Staff for the U.S. Army Corps of Engi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lake Mendocino, California 2019-09-25-2
A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much larger oceans, they do form part of the Earth's water cycle. Lakes are distinct from lagoons, which are generally coastal parts of the ocean. Lakes are typically larger and deeper than ponds, which also lie on land, though there are no official or scientific definitions. Lakes can be contrasted with rivers or streams, which usually flow in a channel on land. Most lakes are fed and drained by rivers and streams. Natural lakes are generally found in mountainous areas, rift zones, and areas with ongoing glaciation. Other lakes are found in endorheic basins or along the courses of mature rivers, where a river channel has widened into a basin. Some parts of the world have many lakes formed by the chaotic drainage patterns left over from the last ic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pacific Gas And Electric Company
The Pacific Gas and Electric Company (PG&E) is an American investor-owned utility (IOU). The company is headquartered in the Pacific Gas & Electric Building, in San Francisco, California. PG&E provides natural gas and electricity to 5.2 million households in the northern two-thirds of California, from Bakersfield and northern Santa Barbara County, almost to the Oregon and Nevada state lines. Overseen by the California Public Utilities Commission, PG&E is the leading subsidiary of the holding company PG&E Corporation, which has a market capitalization of $3.242 billion as of January 16, 2019. PG&E was established on October 10, 1905 from the merger and consolidation of predecessor utility companies, and by 1984 was the United States' "largest electric utility business". PG&E is one of six regulated, investor-owned electric utilities (IOUs) in California; the other five are PacifiCorp, Southern California Edison, San Diego Gas & Electric, Bear Valley Electric, and Liberty Utili ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lake Pillsbury
Lake Pillsbury is a lake in the Mendocino National Forest of Lake County, California, created from the Eel River and Hull Mountain watershed by Scott Dam. Elevation is with of shoreline and covering . Activities in the Lake Pillsbury Recreation Area include powerboating, fishing, swimming, sailing, picnicking, hiking and hang gliding. There are two main access roads to the lake. At the north end of the lake is a small gravel airstrip. About 400 vacation cabins including National Forest Recreational Residences (private cabin leases of public lands) ring the lake. History In 1906, W.W. Van Arsdale formed the Eel River Power and Irrigation Company and contracted with the city of Ukiah for a hydroelectric generating station to increase electricity supply for the city. A diversion dam was built on the Eel River and a mile-long tunnel was constructed to divert water into the Russian River. A powerhouse was constructed in Potter Valley. It was called the Potter Valley Project ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ogee
An ogee ( ) is the name given to objects, elements, and curves—often seen in architecture and building trades—that have been variously described as serpentine-, extended S-, or sigmoid-shaped. Ogees consist of a "double curve", the combination of two semicircular curves or arcs that, as a result of a point of inflection from concave to convex or ''vice versa'', have ends of the overall curve that point in opposite directions (and have tangents that are approximately parallel). First seen in textiles in the 12th century, the use of ogee elements—in particular, in the design of arches—has been said to characterise various Gothic and Gothic Revival architectural styles. The shape has many such uses in architecture from those periods to the present day, including in the ogee arch in these architectural styles, where two ogees oriented as mirror images compose the sides of the arch, and in decorative molding designs, where single ogees are common profiles (see opening image) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lake Van Arsdale
Lake Van Arsdale, also known as Van Arsdale Reservoir, is a reservoir on the Eel River in California, part of the Potter Valley Project. Located in Mendocino County, north of the town of Potter Valley, California, the reservoir supplies water to users as far south as Marin County. The reservoir is formed by the Cape Horn Dam, also known as Van Arsdale Dam, which impounds the waters of the Eel River. A portion of its water ( per year, on average) is diverted southward through an aqueduct tunnel to a powerhouse in Potter Valley, where it drives a turbine capable of generating up to 9.4 MW of electric power. Diverted water then descends by means of the Powerhouse Canal and East Fork Russian River to Lake Mendocino, which supplies the Sonoma County Water Agency. The non-diverted flow continues down the Eel to its mouth at the Pacific Ocean near Fortuna. History In 1905, the Snow Mountain Water and Power Company started building the Potter Valley Project. Cape Horn Dam w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Potter Valley Project
The Potter Valley Project is an interbasin water transfer project in Northern California in the United States, delivering water from the Eel River basin to turbines in the headwaters of the Russian River. The project is owned and operated by Pacific Gas and Electric Company (PG&E). The main facilities are two dams on the Eel River, a diversion tunnel and hydroelectric plant. Average annual throughput is , although this figure varies significantly with both the amount of precipitation in the Eel River basin and the demand on the Russian River. In 2019, PG&E chose not to relicense the hydroelectric project with the Federal Energy Regulatory Commission, as it had become unprofitable to operate. Federal regulations require that PG&E submit a final license surrender application by 2025, which would enable it to begin decommissioning the project. The dams and hydroelectric facilities are to be removed, while various options are being considered for maintaining water diversions to the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cache Creek (Sacramento River Tributary)
Cache Creek is an U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed March 10, 2011 stream in Lake, Colusa and Yolo counties, California. Course Cache Creek starts at the outlet of Clear Lake. It has two main tributaries: North Fork (starting in the Mendocino National Forest north of Clear Lake, and dammed by the Indian Valley Reservoir); and Bear Creek (starting in Bear Valley). The Capay Diversion Dam, west of Capay, diverts water for distribution throughout Yolo County using a network of canals. At the end of the Capay Valley, near Esparto, Cache Creek runs east into Sacramento Valley, ending in a settling basin east of Woodland, the overflow of which runs into the Sacramento River through a flood control canal. In addition to the recreational use of Clear Lake and Indian Valley Reservoir there are numerous trail-heads, parks and campgrounds, including the Bear Valley wildflower hotspot. Bear Creek and Cache Cr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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