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Shell Rock River
The Shell Rock River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed May 13, 2011 tributary of the West Fork Cedar River in southern Minnesota and northern Iowa in the United States. Via the Cedar and Iowa rivers, it is part of the Mississippi River watershed. Name This river was named for the fossil shells found in outcroppings along its banks. The United States Board on Geographic Names settled on "Shell Rock River" as the stream's name in 1931. According to the Geographic Names Information System, it has also been known by the spelling "Shellrock River". Course The Shell Rock River flows from Albert Lea Lake in Freeborn County, Minnesota, and soon enters Iowa, flowing generally south-southeastwardly through eastern Worth, northeastern Cerro Gordo, western Floyd, northeastern Butler, southwestern Bremer and northwestern Black Hawk counties, past the town of Glenville in Minnesota and the towns of Northwo ...
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Minnesota
Minnesota ( ) is a U.S. state, state in the Upper Midwestern region of the United States. It is bordered by the Canadian provinces of Manitoba and Ontario to the north and east and by the U.S. states of Wisconsin to the east, Iowa to the south, and North Dakota and South Dakota to the west. It is the List of U.S. states and territories by area, 12th-largest U.S. state in area and the List of U.S. states and territories by population, 22nd-most populous, with about 5.8 million residents. Minnesota is known as the "Land of 10,000 Lakes"; it has 14,420 bodies of fresh water covering at least ten acres each. Roughly a third of the state is Forest cover by state and territory in the United States, forested. Much of the remainder is prairie and farmland. More than 60% of Minnesotans (about 3.71 million) live in the Minneapolis–Saint Paul metropolitan area, known as the "Twin Cities", which is Minnesota's main Politics of Minnesota, political, Economy of Minnesota, economic, and C ...
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Drainage Basin
A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, the drainage divide, made up of a succession of elevated features, such as ridges and hills. A basin may consist of smaller basins that merge at river confluences, forming a hierarchical pattern. Other terms for a drainage basin are catchment area, catchment basin, drainage area, river basin, water basin, and impluvium. In North America, they are commonly called a watershed, though in other English-speaking places, " watershed" is used only in its original sense, that of the drainage divide line. A drainage basin's boundaries are determined by watershed delineation, a common task in environmental engineering and science. In a closed drainage basin, or endorheic basin, rather than flowing to the ocean, water converges toward the ...
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Cedar Falls, Iowa
Cedar Falls is a city in Black Hawk County, Iowa, United States. As of the 2020 United States census, the city population was 40,713. Cedar Falls is home to the University of Northern Iowa, a public university. Cedar Falls along with neighboring city Waterloo, Iowa are the two principal municipalities within the Waterloo – Cedar Falls metropolitan area, Waterloo-Cedar Falls Metropolitan Statistical Area. The Cedar River (Iowa River tributary), Cedar River traverses the vicinity to the northeast. History Cedar Falls was first settled in March 1845 by brothers-in-law William R. Sturgis and Erasmus D. Adams. Initially, the city was named Sturgis Falls. The city was called Sturgis Falls until it was merged with Cedar City (another city on the other side of the Cedar River), creating Cedar Falls. The city's founders are honored each year with a week long community-wide celebration named in their honor – the Sturgis Falls Celebration. Because of the availability of water power, ...
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Clarksville, Iowa
Clarksville is a city in Butler County, Iowa, Butler County, Iowa, United States, along the Shell Rock River. The population was 1,264 at the 2020 United States census, 2020 census. A post office opened in Clarksville in 1861. Geography According to the United States Census Bureau, the city has a total area of , of which is land and is water. Demographics 2020 census As of the United States census, census of 2020, there were 1,264 people, 554 households, and 364 families residing in the city. The population density was 965.9 inhabitants per square mile (373.0/km2). There were 578 housing units at an average density of 441.7 per square mile (170.5/km2). The Race and ethnicity in the United States census, racial makeup of the city was 97.1% White Americans, White, 0.0% African Americans, Black or African American, 0.1% Native Americans in the United States, Native American, 0.2% Asian Americans, Asian, 0.0% Pacific Islander Americans, Pacific Islander, 0.4% from other races an ...
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Greene, Iowa
Greene is a city in Butler County, Iowa, United States, along the Shell Rock River, and along Butler County's northern border, where Butler and Floyd counties meet. The population was 990 at the time of the 2020 census. History The community of Greene was first a postal area called, "Elm Springs" that was established in 1855 three miles southwest of the current town on Coldwater Creek. In 1871, the railroad selected a site on the east side of the Shell Rock River for a train depot and roundhouse, drawing the Elm Springs Post Office and community to that site. In 1871, the postal area name was changed from Elm Springs to Greene in honor of Judge George Greene, president of the Burlington, Cedar Rapids and Minnesota railroad who, along with J. W. Traer and others, purchased the land for the new community. Judge Greene gave generously of land and money for the new town. In 1879, the Greene postal area was incorporated as The Town of Greene. Geography The city is located along t ...
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Marble Rock, Iowa
Marble Rock is a city in Floyd County, Iowa, United States, along the Shell Rock River. The population was 271 at the time of the 2020 census. Marble Rock has a city park, historical museums, a powerhouse on the river, and a veterans' memorial. The Marble Rock Historical Society has a website with information about the museums. Geography Marble Rocks name derives from the presence of white limestone in the area. The Shell Rock River runs through the west side of town and is available for fishermen and small watercraft. There is a portage around the dam, on the west side of the river, for canoes. According to the United States Census Bureau, the city has a total area of , of which is land and is water. Demographics 2020 census As of the census of 2020, there were 271 people, 126 households, and 76 families residing in the city. The population density was 325.6 inhabitants per square mile (125.7/km2). There were 138 housing units at an average density of 165.8 per square mi ...
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Rockford, Iowa
Rockford is a city in Floyd County, Iowa, United States, at the confluence of the Shell Rock and Winnebago rivers. The population was 758 at the time of the 2020 census. Rockford's post office opened in 1855. Geography Rockford's longitude and latitude coordinatesin decimal form are 43.052833, -92.949203. According to the United States Census Bureau, the city has a total area of , all land. Demographics 2020 census As of the census of 2020, there were 758 people, 332 households, and 205 families residing in the city. The population density was 1,217.4 inhabitants per square mile (470.0/km2). There were 390 housing units at an average density of 626.4 per square mile (241.8/km2). The racial makeup of the city was 94.3% White, 1.1% Black or African American, 0.3% Native American, 0.3% Asian, 0.1% Pacific Islander, 0.5% from other races and 3.4% from two or more races. Hispanic or Latino persons of any race comprised 1.2% of the population. Of the 332 households, 24.4% o ...
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Nora Springs, Iowa
Nora Springs is a city that is partially in Cerro Gordo County, Iowa, Cerro Gordo and Floyd County, Iowa, Floyd counties in the U.S. state of Iowa, along the Shell Rock River. The population was 1,369 at the time of the 2020 United States census, 2020 census. The Cerro Gordo County portion of Nora Springs is part of the Mason City, Iowa, Mason City Mason City micropolitan area, Micropolitan Statistical Area. History Nora Springs was founded in 1857 and was incorporated in 1875. It was first called Woodstock, but community pioneer Edson Gaylord, managed to persuade wealthy pioneer Edward Greeley of nearby Woodbridge (later Nashua) to come to town. Greeley agreed to buy and improve the gristmill, and to purchase 20 acres of land from Gaylord, if the town would change its name from Woodstock to Elnora, in honor of a former lady love from Vermont. Gaylord had wanted the town to be named "Springs" and as a result of a compromise, Woodstock became Elnora Springs, quickly shortened ...
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Rock Falls, Iowa
Rock Falls is a city in Cerro Gordo County, Iowa, United States, along the Shell Rock River. The population was 150 at the time of the 2020 census. It is part of the Mason City Micropolitan Statistical Area. A post office named Shell Rock Falls opened in 1855; in 1872 this was changed to Rock Falls. Geography According to the United States Census Bureau, the city has a total area of , all land. Demographics 2020 census As of the census of 2020, there were 150 people, 70 households, and 46 families residing in the city. The population density was 724.8 inhabitants per square mile (279.9/km2). There were 72 housing units at an average density of 347.9 per square mile (134.3/km2). The racial makeup of the city was 96.7% White, 0.7% Black or African American, 0.0% Native American, 0.0% Asian, 0.0% Pacific Islander, 0.0% from other races and 2.7% from two or more races. Hispanic or Latino persons of any race comprised 2.7% of the population. Of the 70 households, 30.0% of w ...
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Plymouth, Iowa
Plymouth is a city in Cerro Gordo County, Iowa, United States, along the Shell Rock River. The population was 375 at the time of the 2020 census. It is part of the Mason City Micropolitan Statistical Area. Geography According to the United States Census Bureau, the city has a total area of , all land. Demographics 2020 census As of the census of 2020, there were 375 people, 156 households, and 116 families residing in the city. The population density was 849.7 inhabitants per square mile (328.1/km2). There were 179 housing units at an average density of 405.6 per square mile (156.6/km2). The racial makeup of the city was 91.2% White, 2.1% Black or African American, 0.3% Native American, 0.0% Asian, 0.0% Pacific Islander, 0.5% from other races and 5.9% from two or more races. Hispanic or Latino persons of any race comprised 2.4% of the population. Of the 156 households, 29.5% of which had children under the age of 18 living with them, 59.0% were married couples living to ...
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Northwood, Iowa
Northwood is a city and the county seat of Worth County, Iowa, United States, along the Shell Rock River. The population was 2,072 at the time of the 2020 United States census, 2020 census. Northwood is part of the Mason City, Iowa, Mason City Mason City micropolitan area, Micropolitan Statistical Area. History Northwood was laid out in 1857 and platted in 1858. Geography According to the United States Census Bureau, the city has a total area of , all land. Demographics 2020 census As of the United States census, census of 2020, there were 2,072 people, 915 households, and 535 families residing in the city. The population density was 519.9 inhabitants per square mile (200.7/km2). There were 990 housing units at an average density of 248.4 per square mile (95.9/km2). The Race and ethnicity in the United States census, racial makeup of the city was 94.3% White Americans, White, 1.2% African Americans, Black or African American, 0.1% Native Americans in the United States, Nativ ...
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Glenville, Minnesota
Glenville is a city in Freeborn County, Minnesota, United States, near Albert Lea. It is along the Shell Rock River. The population was 643 at the 2010 census. History First platted as Shell Rock in 1856, Glenville was then incorporated in 1898. The name Glenville was created by the officers of the railroad company. In 1870 the Burlington, Cedar Rapids, and Northern Railroad was run through Glenville. Geography According to the United States Census Bureau, the city has a total area of , of which is land and is water. Glenville is located along U.S. Highway 65 and Freeborn County Road 13. I-35 is nearby. Demographics 2010 census As of the census of 2010, there were 643 people, 278 households, and 179 families living in the city. The population density was . There were 290 housing units at an average density of . The racial makeup of the city was 98.0% White, 0.8% Asian, 0.9% from other races, and 0.3% from two or more races. Hispanic or Latino of any race were 2.3 ...
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