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The Iowa Great Lakes, often referred to as Okoboji, [1] is a group of natural lakes in northwestern Iowa in the United States. There are seven lakes in the region totaling 12,687 acres (5,134 ha) [ 2 ] with the three principal lakes of the group being Big Spirit Lake , [ 3 ] West Okoboji Lake , [ 4 ] and East Okoboji Lake .
Spirit Lake is near the upper center of the map. Big Spirit Lake is a natural body of water, approximately 5,684 acres (2,300 ha) in area, in Dickinson County in northwest Iowa in the United States. It is part of the chain of lakes known as the Iowa Great Lakes, the northern shore of the lake straddles the border with Minnesota. It is the ...
West Okoboji Lake (highlighted in purple), in the Iowa Great Lakes region. West Okoboji Lake (sometimes known as West Lake Okoboji) is a natural body of water, approximately 3,847 acres (15.57 km 2) in area, in Dickinson County in northwestern Iowa in the United States. It is part of the chain of lakes known as the Iowa Great Lakes.
The Great Lakes Basin consists of the Great Lakes and the surrounding lands of the states of Illinois, Indiana, Michigan, Minnesota, New York, Ohio, Pennsylvania, and Wisconsin in the United States, and the province of Ontario in Canada, whose direct surface runoff and watersheds form a large drainage basin that feeds into the lakes.
The Great Lakes, also called the Great Lakes of North America, are a series of large interconnected freshwater lakes spanning the Canada–United States border.The five lakes are Superior, Michigan, Huron, Erie, and Ontario (though hydrologically, Michigan and Huron are a single body of water; they are joined by the Straits of Mackinac).
The pieces include units that drain to segments of streams, remnant areas, noncontributing areas, and coastal or frontal units that can include multiple watersheds draining to an ocean or large lake. Hence, half or more of the hydrologic units are not watersheds as the name of the framework Watershed Boundary Dataset (WBD) implies.
The number of impaired water body segments — which can be lakes, wetlands and parts of streams — declined about 4% from the last report in 2022. But just 24% of stream segments and 30% of ...
Paleo-Indian cultures were the earliest in North America, with a presence in the Great Plains and Great Lakes areas from about 12,000 BCE to around 8,000 BCE. [citation needed] Prior to European settlement, Iroquoian people lived around Lakes Erie and Ontario, [2] Algonquian peoples around most of the rest, and a variety of other indigenous nation-peoples including the Menominee, Ojibwa ...