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The Upper Iowa was sometimes historically called the "Iowa River", creating confusion with the larger Iowa River to the south. The Upper Iowa was also called the "Oneota River", and the large number of Late Prehistoric sites along its bluffs caused the early archaeologist Charles R. Keyes to name the Oneota Culture for the river. [6]
The Upper Iowa River Oneota site complex is a series of 7 Iowa archaeological sites located within a few miles of each other in Allamakee County, Iowa, on or near the Upper Iowa River. They are all affiliated with the Late Prehistoric Upper Mississippian Oneota Orr focus.
The Iowa River is noted for recreational and commercial fishing. Game fish include largemouth and smallmouth bass, walleye, northern pike, channel and flathead catfish, crappie and other panfish. The Coralville Reservoir is commercially fished for carp and buffalo fish. Pine Lake State Park is located on the Iowa River at Eldora.
The family of George M. Mosier, a local land owner, donated a parcel of land containing the mound group to the state of Iowa. In 1966, the Toolesboro Mound Group was listed as a National Historic Landmark, and in 1969 a small visitor center and parking lot were built near the site.
Another Iowa public water supply experiencing drought-related supply issues, the Regional Water Rural Water Association in Avoca, has seen an improvement the water availability in its wells, but ...
The cave system has some unusual features such as its expansion rate, which is higher than most caves. It also has relatively low amounts of oxygen and high amounts of carbon dioxide. In 1987, the Cold Water Cave was designated as a National Natural Landmark by the National Park Service. [1] There are two entries; both are on private property.
The Des Moines Water Works (DMWW) is a publicly owned, municipal water utility with its headquarters in Water Works Park. It was founded 1871 southwest of downtown Des Moines, Iowa, along the Raccoon River and provides water to half a million residents of the greater Des Moines metropolitan area. As of 2017, it has three treatment facilities.
The list includes the Old Capital (1842), the foundations for Old Brick Church (1856) and the present Iowa State Capitol (1886) in Des Moines. The exact date that the quarry closed is not known, but because there is no evidence of mechanized techniques to remove stone, it is assumed it closed around the turn of the 20th century. [ 2 ]