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May 30, 1974 (Des Moines: Polk: Training site for black officers in World War I. 8: George M. Verity: George M. Verity (towboat): December 20, 1989 (Keokuk: Lee: One of three surviving steam-powered towboats in the United States, this ship pioneered on upper Mississippi in a certain way, leading to large private industry.
Name Image Date Location County Ownership Description Anderson Goose Lake: 1975: Iowa: Private One of the few essentially natural glacial pothole lakes remaining in Iowa.
This site is located on the St. Croix River upstream of Stillwater, Minnesota. It was established by Stillwater lumber barons, including Isaac Staples, in 1856 after the demise of the original St. Croix Boom Company, which had operated a boom further upstream near Marine on St. Croix, Minnesota. Staples and others purchased the Boom Company and ...
In 1961 local advocates arranged a visit by state park officials, who agreed that Wildwood Park could be expanded into a state park. The land was transferred to the state of Minnesota and in 1963 Lake Louise State Park was created by an act of the Minnesota Legislature. At that time it contained only the lake and 636 acres (2.6 km 2). The ...
It was during the regional retreat of the Lake Superior Lobe and glacial meltwater flow from deglaciation and glacial Lake Nemadji and Lake Duluth caused the entrenchment of the St. Croix River and the formation of the deep gorge of the St. Croix River of the St. Croix River valley and its famous potholes occurred. In and surrounding Polk ...
Lake: federal (Superior National Forest) A large tract of undisturbed mixed pine and black spruce forest. Lac la Croix Research Natural Area: 1980: St. Louis: federal (Superior National Forest) Old-growth virgin pine forests. Lake Agassiz Peatlands Natural Area: 1965
Lidar-derived image of Marching Bears Mound Group, Effigy Mounds National Monument.. Prehistoric earthworks by mound builder cultures are common in the Midwest.However, mounds in the shape of mammals, birds, or reptiles, known as effigies, apparently were constructed primarily by peoples in what is now known as southern Wisconsin, northeast Iowa, and small parts of Minnesota and Illinois.
This is a list of lakes of Minnesota. Although promoted as the "Land of 10,000 Lakes", Minnesota has 11,842 lakes of 10 acres (4.05 ha) or more. [1] The 1968 state survey found 15,291 lake basins, of which 3,257 were dry. [2] If all basins over 2.5 acres were counted, Minnesota would have 21,871 lakes. [3] The prevalence of lakes has generated ...