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Roller Dam
A Roller dam is a type of hydro-control device specially designed to mitigate erosion. They are most often used to divert water for irrigation but the largest and most notable examples are used to ease river navigation. The world's first roller dam (German: ''walzenwehr'') was constructed in Schweinfurt, Germany in 1902 to divert irrigation water south of the Main river. Use Roller dams are a type of weir, or a dam that is designed to allow water to flow over the top in continuous action. They are used on rivers or other such moving bodies of water where erosion damage is undesirable, yet likely to occur. A short wall, lip, or parabolic channel is constructed on the downstream side of the dam parallel to the dam face. As the water pouring over the dam hits this baffle, it is reflected toward the dam face, creating a continual "rolling" action at the foot of the dam; hence the name "Roller Dam". The purpose of the rolling is to dissipate the energy gained by the water as it fal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rock Island, Illinois
Rock Island is a city in and the county seat of Rock Island County, Illinois, Rock Island County, Illinois, United States. The original Rock Island, from which the city name is derived, is now called Rock Island Arsenal, Arsenal Island. The population was 37,108 at the United States Census 2020, 2020 census. Located on the Mississippi River, it is one of the Quad Cities, along with neighboring Moline, Illinois, Moline, East Moline, Illinois, East Moline, and the Iowa cities of Davenport, Iowa, Davenport and Bettendorf, Iowa, Bettendorf. The Quad Cities has a population of about 380,000. The city is home to Rock Island Arsenal, the largest government-owned weapons manufacturing arsenal in the US, which employs 6,000 people. Rock Island School District, The Rock Island–Milan School District, Rockridge School District (southwest portion of city) along with private schools, serve the city. The District (Downtown Rock Island) has art galleries and theaters, nightclubs and coffee shop ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Roller Dams
Roller may refer to: Birds *Roller, a bird of the family Coraciidae * Roller (pigeon), a domesticated breed or variety of pigeon Devices * Roller (agricultural tool), a non-powered tool for flattening ground * Road roller, a vehicle for compacting ** Steamroller, a form of road roller * Roller, an element of a rolling-element bearing * Roller, used in rolling (metalworking) * Roller, in a roller mill, to crush or grind various materials * Rolling pin, a compacting device used for preparing dough for cooking * Roller (BEAM), a robot * Bicycle rollers, a type of bicycle trainer * Hair roller, used to curl hair * Paint roller, a paint application tool * Roller, or training surcingle, around a horse's girth Arts and entertainment * Bay City Rollers, or the Rollers, a Scottish pop rock band * "The Roller", a 2011 song by Beady Eye * "Roller" (Apache 207 song), 2019 * "Roller" (April Wine song), 1978 * ''Roller'' (Goblin album), 1976 * Roller, partner of the Optimus Prime ch ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cedar Rapids, Iowa
Cedar Rapids () is the second-largest city in Iowa, United States and is the county seat of Linn County, Iowa, Linn County. The city lies on both banks of the Cedar River (Iowa River), Cedar River, north of Iowa City, Iowa, Iowa City and northeast of Des Moines, Iowa, Des Moines, the state's capital and largest city. It is a part of the Cedar Rapids/Iowa City region of Eastern Iowa, which includes Linn County, Iowa, Linn, Benton County, Iowa, Benton, Cedar County, Iowa, Cedar, Iowa County, Iowa, Iowa, Jones County, Iowa, Jones, Johnson County, Iowa, Johnson, and Washington County, Iowa, Washington counties. As of the 2020 United States Census, the city population was 137,710. The estimated population of the three-county Cedar Rapids metropolitan area, Metropolitan Statistical Area, which includes the nearby cities of Marion, Iowa, Marion and Hiawatha, Iowa, Hiawatha, was 255,452 in 2008. Cedar Rapids is an economic hub of the state, located at the core of the Interstate 380 (Io ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cedar River (Iowa River)
The Cedar River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed May 13, 2011 river in Minnesota and Iowa. It is a tributary of the Iowa River, which flows to the Mississippi River. The Cedar River takes its name from the red cedar (''Juniperus virginiana'') trees growing there, and was originally called the Red Cedar River by the Meskwaki. The first Mississippi steamboat reached Cedar Rapids, Iowa in 1844, and during the next decade, the Red Cedar (as it was still called) was an important commercial waterway. The surrounding region is known officially as the Cedar River Valley, though it is more commonly referred to simply as the Cedar Valley. The stream is young geologically, and only in places where the glacial material has been removed is the underlying bedrock exposed. Geography The headwaters of the Cedar River are located in Dodge County, Minnesota, consisting of a west fork and middle fork approximately ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Batavia, Illinois
Batavia () is a city mainly in Kane County and partly in DuPage County in the U.S. state of Illinois. Located in the Chicago metropolitan area, it was founded in 1833 and is the oldest city in Kane County. Per the 2020 census, the population was 26,098. During the latter part of the 19th century, Batavia, home to six American-style windmill manufacturing companies, became known as "The Windmill City." Fermi National Accelerator Laboratory, a federal government-sponsored high-energy physics laboratory, where both the bottom quark and the top quark were first detected, is located just east of the city limits. Batavia is part of a vernacular region known as the Tri-City area, along with St. Charles and Geneva, all western suburbs of similar size and relative socioeconomic condition. cheetz, George H."Whence Siouxland?" ''Book Remarks'' ioux City Public Library May 1991. History Batavia was settled in 1833 by Christopher Payne and his family. Originally called Big Woods for th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aurora, Illinois
Aurora is a city in the Chicago metropolitan area located partially in DuPage County, Illinois, DuPage, Kane County, Illinois, Kane, Kendall County, Illinois, Kendall, and Will County, Illinois, Will counties in the U.S. state of Illinois. Located primarily in DuPage and Kane counties, it is the List of cities in Illinois#Most populous places, second most populous city in Illinois, after Chicago, and the List of United States cities by population, 144th most populous city in the United States. The population was 197,899 at the 2010 United States Census, 2010 census, and was 180,542 as of the 2020 United States census, 2020 Census. Founded within Kane County, Aurora's city limits have expanded into DuPage, Kendall, and Will counties. Once a mid-sized manufacturing city, Aurora has grown since the 1960s. From 2000 to 2009, the U.S. Census Bureau ranked the city as the 46th fastest growing city with a population of over 100,000. In 1908, Aurora adopted the nickname "City of Lights" ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Yorkville, Illinois
Yorkville (officially the United City of Yorkville) is a city and county seat of Kendall County, Illinois, Kendall County, Illinois, United States. The population was 21,533 at th2020 census History In 1836, the city of Yorkville was settled by early Settler, pioneers. Originally, the city's main thoroughfare of Bridge Street was designed for horse-drawn carriages and pedestrians. As time passed, Hydraulic Street, which runs parallel to the Fox River (Illinois River tributary), Fox River, boasted a trolley that ran from Ottawa, Illinois, Ottawa to Aurora, Illinois, Aurora. This part is now operated by the Illinois Railway. At the time, Yorkville's central business district was on the south side of the Fox River and the public square was north of the river, a layout unique to the region. The public gathering place was near the river's edge. The Kendall County Courthouse (Illinois), Kendall County Courthouse was next to the downtown commercial district. Many of the city's remain ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fox River (Illinois River Tributary)
The Fox River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed May 13, 2011 tributary of the Illinois River, flowing from southeastern Wisconsin to Ottawa, Illinois in the United States. The Wisconsin section was known as the Pishtaka River in the 19th century. There is another Fox River in Wisconsin that flows through Lake Winnebago into Green Bay. There are also two other "Fox Rivers" in southern Illinois: the Fox River (Little Wabash tributary) and a smaller "Fox River" that joins the Wabash River near New Harmony, Indiana. The Fox River watershed encompasses 1720 square miles in Illinois and 938 square miles in Wisconsin. Wisconsin The Fox River rises in the Halbach Swamp, southeast of the community of Colgate, Wisconsin and flows past Brookfield, Waukesha, Big Bend, Waterford, Rochester, Burlington, Wheatland, Silver Lake and Wilmot, for a total of in Wisconsin. A major dam in Waterford forms a navig ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Drowning
Drowning is a type of suffocation induced by the submersion of the mouth and nose in a liquid. Most instances of fatal drowning occur alone or in situations where others present are either unaware of the victim's situation or unable to offer assistance. After successful resuscitation, drowning victims may experience breathing problems, vomiting, confusion, or unconsciousness. Occasionally, victims may not begin experiencing these symptoms until several hours after they are rescued. An incident of drowning can also cause further complications for victims due to low body temperature, aspiration of vomit, or acute respiratory distress syndrome (respiratory failure from lung inflammation.). Drowning is more likely to happen when spending extended periods of time near large bodies of water. Risk factors for drowning include alcohol use, drug use, epilepsy, minimal swim training or a complete lack of training, and, in the case of children, a lack of supervision. Common drowning ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Davenport, Iowa
Davenport is a city in and the county seat of Scott County, Iowa, United States. Located along the Mississippi River on the eastern border of the state, it is the largest of the Quad Cities, a metropolitan area with a population of 384,324 and a combined statistical area population of 474,019, ranking as the 147th-largest MSA and 91st-largest CSA in the nation. According to the 2020 census, the city had a population of 101,724, making it Iowa's third-largest city. Davenport was founded on May 14, 1836, by Antoine Le Claire and was named for his friend George Davenport, a former English sailor who served in the U.S. Army during the War of 1812, served as a supplier Fort Armstrong, worked as a fur trader with the American Fur Company, and was appointed a quartermaster with the rank of colonel during the Black Hawk War. The city is prone to frequent flooding due to its location on the Mississippi River. There are two main universities: St. Ambrose University and Palmer College of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mississippi River
The Mississippi River is the second-longest river and chief river of the second-largest drainage system in North America, second only to the Hudson Bay drainage system. From its traditional source of Lake Itasca in northern Minnesota, it flows generally south for to the Mississippi River Delta in the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains all or parts of 32 U.S. states and two Canadian provinces between the Rocky and Appalachian mountains. The main stem is entirely within the United States; the total drainage basin is , of which only about one percent is in Canada. The Mississippi ranks as the thirteenth-largest river by discharge in the world. The river either borders or passes through the states of Minnesota, Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi, and Louisiana. Native Americans have lived along the Mississippi River and its tributaries for thousands of years. Most were hunter-ga ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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