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Pacoima Wash
Pacoima Wash, long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed March 16, 2011 is a major tributary of the Tujunga Wash, itself a tributary of the Los Angeles River, in the San Fernando Valley of Los Angeles County, California. There are actually two historical parts to the Pacoima Wash—the Pacoima Wash north of the METROLINK, and Pacoima Wash south of the METROLINK, an covered up, altered, and destroyed part. The stream begins at Mount Gleason, , in the western San Gabriel Mountains of the Angeles National Forest. The upper reaches, sometimes known as Pacoima Creek, flow through Pacoima Canyon as a rapid mountain stream. It then reaches the Pacoima Dam Reservoir in the western San Gabriel Mountains of the Angeles National Forest and proceeds south in a free-flowing stream alongside Pacoima Trail Road. Below the dam, it is generally known as the Pacoima Wash. From there, it joins several other unnamed streams that d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pacoima Dam
Pacoima Dam is a concrete arch dam on Pacoima Creek in the San Gabriel Mountains, in Los Angeles County, California. The reservoir it creates, Pacoima Reservoir, has a capacity of Built by the Los Angeles County Flood Control District, which became part of the Department of Public Works, it was completed in 1928. At the time, the 371 foot (113m) high dam was the tallest arch dam in the U.S. The dam is situated approximately northeast of Sylmar, above the San Fernando Valley. Instrumentation As construction of Pacoima Dam began, the County of Los Angeles hired Roy W. Carlson as their concrete and soil testing engineer. He developed the world's first strain meter which could be embedded in concrete. He also developed an adiabatic calorimeter and electrical-resistance thermometers to find why the temperature of concrete increased during curing and how best to avoid cracking caused by these stresses. Earthquake monitoring The Pacoima Dam withstood, but was damaged by the very ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Van Nuys, Los Angeles, California
Van Nuys () is a neighborhood in the central San Fernando Valley region of Los Angeles, California. Home to Van Nuys Airport and the Van Nuys City Hall, Valley Municipal Building, it is the most populous neighborhood in the San Fernando Valley. History In 1909, the Suburban Homes Company – a syndicate led by Hobart Johnstone Whitley, general manager of the board of control, along with Harry Chandler, H. G. Otis, M. H. Sherman and O. F. Brandt – purchased 48,000 acres of the Farming and Milling Company for $2.5 million. Henry E. Huntington extended his Pacific Electric Railway (Red Cars) through the Valley to Owensmouth (now Canoga Park). The Suburban Home Company laid out plans for roads and the towns of Van Nuys, Reseda (Marian) and Canoga Park (Owensmouth). The rural areas were annexed into the city of Los Angeles in 1915. The town was founded in 1911 and named for Isaac Newton Van Nuys, a rancher, entrepreneur and one of its developers. It was annexed by Los Angeles ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Interstate 210 And State Route 210 (California)
The Foothill Freeway is a freeway in the Los Angeles metropolitan area, California, running from the Sylmar district of Los Angeles east to Redlands. The western segment is signed as Interstate 210 (I-210) from its western end at I-5 to SR 57 in Glendora, while the eastern segment is signed as State Route 210 (SR 210) to its eastern terminus at I-10. Under the California Streets and Highways Code, the entire Foothill Freeway is legally referred to as Route 210. The Foothill Freeway name is a reference to Foothill Boulevard and the San Gabriel Mountains, both of which the freeway runs parallel to for most of its length. The freeway follows the foothills of these mountains, connecting the northeastern suburbs of Los Angeles with the Inland Empire. Historically, the Foothill Freeway spanned multiple numerical designations. Additionally, the I-210 designation has changed routings, previously including a portion of what is now the Orange Freeway (SR 5 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Antelope Valley Line
The Antelope Valley Line is a commuter rail line that serves the Northern Los Angeles County area as part of the Metrolink (Southern California), Metrolink system. The northern segment of the line is rural in character because it travels through the sparsely populated Soledad Canyon between Santa Clarita, California, Santa Clarita and Palmdale, California, Palmdale, serving the small community of Acton, California, Acton along the way. Other portions of its route parallel the former US Route 6 in California, US Route 6, now San Fernando Road and Sierra Highway and this line is the only Metrolink line to be entirely in Los Angeles County. History The line along the Santa Clara River and into Los Angeles was completed by Southern Pacific Transportation Company, Southern Pacific in 1876 as the first railway to connect the city to the national network. The last passenger trains operated over the line in 1971 followed by the final freight train in 1979. In 1990 the Los Angeles County ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Metrolink (Southern California)
Metrolink is a commuter rail system in Southern California, serving Los Angeles County, California, Los Angeles, Orange County, California, Orange, Riverside County, California, Riverside, San Bernardino County, California, San Bernardino, and Ventura County, California, Ventura counties, as well as to Oceanside, California, Oceanside in San Diego County, California, San Diego County. The core commuter rail network consists of seven lines and List of Metrolink (California) stations, 62 stations operating on of rail network. In addition, Metrolink also operates the Arrow (rail line), Arrow hybrid rail (light rail with some features similar to commuter rail) line in San Bernardino County, under a contract with the San Bernardino County Transportation Authority, integrating another four stations to its network. In , the system had a ridership of , or about per weekday as of . Metrolink connects with Los Angeles County's Los Angeles Metro Rail, Metro Rail and Los Angeles Metro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
San Fernando Road
San Fernando Road is a major street in the City of Los Angeles and Los Angeles County. Within the Burbank city limits it is signed as San Fernando Boulevard, and north of Newhall Pass it is signed as The Old Road. It was previously designated as Business Loop 5 in the 1970s. Route San Fernando Road starts at its intersection with Sierra Highway in the Sylmar neighborhood of Los Angeles. It passes through the city of San Fernando before re-entering the city of Los Angeles at the intersection with the Ronald Reagan Freeway ( SR 118) in the neighborhood of Pacoima, where it parallels Interstate 5. Like Laurel Canyon Boulevard to the west in Sun Valley, it passes through rock quarries and the Hansen Dam Recreation Area, one of the last remaining open spaces in the San Fernando Valley. North of Sierra Highway, San Fernando Road becomes The Old Road. The Old Road runs parallel to Interstate 5 and serves the Stevenson Ranch, Valencia, and Castaic neighborhoods in the western San ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
California State Route 118
State Route 118 (SR 118) is a state highway in the U.S. state of California that runs west to east through Ventura and Los Angeles counties. It travels from State Route 126 at the eastern edge of Ventura immediately northwest of Saticoy, then through Saticoy, in Ventura County east to Interstate 210 near Lake View Terrace in Los Angeles. SR 118 crosses the Santa Susana Pass and the northern rim of the San Fernando Valley along its route. Route description SR 118 has two distinguishable sections, which connect at the intersection with State Route 23. The western section of SR 118 goes through the more rural areas of Ventura County. SR 118 begins at an intersection with SR 126 in Ventura as Wells Road and heads southeast, crossing the Santa Clara River as Los Angeles Avenue and intersecting SR 232 in unincorporated Ventura County. The highway continues southeast before intersecting Santa Clara Avenue, where Los Angeles Avenue turns east and passes north of Camarillo. In ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Laurel Canyon Boulevard
Laurel Canyon Boulevard is a major street in the city of Los Angeles. It starts off at Polk Street in Sylmar in the northern San Fernando Valley near the junction of the San Diego ( Interstate 405) and the Golden State (I-5)) freeways. Laurel Canyon Boulevard bypasses the city of San Fernando to the west, running parallel to I-5 in the vicinity of Pacoima and Arleta. The portion through Sun Valley passes through rock quarries and a great deal of open space. From the intersection with Webb Avenue, Laurel Canyon Boulevard heads due south, cutting through North Hollywood, closely following the Hollywood Freeway ( SR 170). Laurel Canyon Boulevard passes through the Valley Village neighborhood, one mile (1.6 km) west of the Hollywood Split (the intersection of the Hollywood (U.S. 101/ SR 170) and Ventura (U.S. 101/ SR 134) freeways). This would have been the start of the proposed Laurel Canyon Freeway, which would have provided a direct freeway connection from the southeastern ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Golden State Freeway
Interstate 5 (I-5) is a major north–south route of the Interstate Highway System in the United States, stretching from the Mexican border at the San Ysidro crossing to the Canadian border near Blaine, Washington. The segment of I-5 in California runs across the length of the state from San Ysidro to the Oregon state line south of the Medford- Ashland metropolitan area. It is the longest interstate in California, and accounts for more than half of I-5's total length. It is the more important and most-used of the two major north–south routes on the Pacific Coast, the other being U.S. Route 101 (US 101), which is primarily coastal. I-5 links the major California cities of San Diego, Santa Ana, Los Angeles, Stockton, Sacramento, and Redding. The San Francisco Bay Area is about west of the highway. I-5 is known colloquially as "the 5" to Southern California residents and "5" to Northern California residents due to varieties in California English. I-5 als ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spreading Ground
A spreading ground is a water conservation facility that retains surface water long enough for it to percolate into the soil. Spreading grounds must be located where underlying soils are permeable and connected to a target aquifer. Locating them above silt or clay would prevent the surface water from reaching formations that store water. When natural percolation of precipitation is insufficient to replenish groundwater withdrawn for human use, artificial recharge helps prevent aquifer depletion, subsidence and saltwater intrusion. Spreading grounds are one of several available technologies, and are useful to harness storm water runoff in populated areas with low annual precipitation. For example, Los Angeles County, California has 27 such facilities, and four more operated in conjunction with the department, many of which date to the 1930s. While managed aquifer recharge (MAR) projects utilizing storm water and diverted surface water runoff augment groundwater recharge, data s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coast Line (UP)
The Coast Line is a railroad line between Burbank, California and the San Francisco Bay Area, roughly along the Pacific Coast. It is the shortest rail route between Los Angeles and the Bay Area. History Predecessors The San Francisco and San Jose Railroad built the first segment of the line from San Francisco to San Jose between 1860 and 1864. The founders of the SF&SJ incorporated as the Southern Pacific Railroad, which was authorized by Congress in 1866 to connect the line from San Jose south to Needles, where it would meet the Atlantic & Pacific Railroad. However, SP had built to Tres Pinos by 1873 and abandoned efforts to continue the line to Coalinga, instead choosing a route from Lathrop. By 1871, SP had completed a line south from San Jose through Gilroy and Pajaro, arriving at Salinas in 1872 and Soledad in 1873. SP halted southward work at Soledad for thirteen years and started building north from Los Angeles in 1873, completing a line to Burbank. In 1886, SP ha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Union Pacific
The Union Pacific Railroad , legally Union Pacific Railroad Company and often called simply Union Pacific, is a freight-hauling railroad that operates 8,300 locomotives over routes in 23 U.S. states west of Chicago and New Orleans. Union Pacific is the second largest railroad in the United States after BNSF, with which it shares a duopoly on transcontinental freight rail lines in the Western, Midwestern and Southern United States. Founded in 1862, the original Union Pacific Rail Road was part of the first transcontinental railroad project, later known as the Overland Route. Over the next century, UP absorbed the Missouri Pacific Railroad, the Chicago and North Western Transportation Company, the Western Pacific Railroad, the Missouri–Kansas–Texas Railroad and the Chicago, Rock Island and Pacific Railroad. In 1996, the Union Pacific merged with Southern Pacific Transportation Company, itself a giant system that was absorbed by the Denver and Rio Grande Western Railroad. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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