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1911 map showing extent of the Driftless Area as well as the Driftless region in Minnesota and Iowa Typical terrain of the Driftless Area as viewed from Wildcat Mountain State Park in Vernon County, Wisconsin Glacial map of the Great Lakes region; the dark area near left center was not covered by drift. Areas with diagonal hatching were ...
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The White Pine Hollow State Forest is a 944-acre (382 ha) forested area in Dubuque County, Iowa, United States. Of the forest, a 712-acre (288 ha) [2] tract is a National Natural Landmark and Iowa State Preserve. The state forest is named after its dominant old-growth tree, the white pine.
The region is thus called the Driftless Area, referring to the lack of glacial drift, the material left behind by retreating continental glaciers. One and a half miles (2.4 km) south of New Albin, Iowa 26 crosses the Upper Iowa River and then intersects County Road A26, which takes the Driftless Area Scenic Byway west to Iowa 76. Through New ...
In, "Geology of East-Central Iowa", R.R. Anderson (ed.), Iowa Geological Survey,42nd Annual Tri-State Geological Field Conference, Guidebook, pp. 2.2–2.94. Iannicelli, M. (2010). Evolution of the Driftless Area and contiguous regions of midwestern USA through Pleistocene periglacial processes. The Open Geology Journal, vol. 4, pp. 35 – 54.
It and the other historic structures designed by the Central Design Office in Ames, Iowa were built in the Rustic style, which was promulgated by the National Park Service in the 1930s as being appropriate for parks. [4] The State of Iowa purchased an additional 161 acres (65 ha) on the west side of the park between 1961 and 1981.
Perhaps the only truly flat region of Iowa, the Missouri Alluvial Plain contains areas of terraces, sloughs, and oxbows. Its valley trench is not as deep as the Mississippi River system, and the Missouri River is contained in a much narrower channel. In Iowa, the eastern border of the Missouri Plains is the Loess Hills, forming steep rounded ...
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