 Dells of the Wisconsin River The Dells of the Wisconsin River (used in the singular, and also called the Wisconsin Dells) is a 5 mi (8 km) gorge on the Wisconsin River in southern Wisconsin in the United States noted for its particular scenic beauty, in particular for its unique sandstone rock formations and tributary canyons. Image File history File linksMetadata WisconsinDells01. ...
Image File history File linksMetadata WisconsinDells01. ...
A gorge is a narrow passage between steep mountains or hills. ...
The Wisconsin River is a tributary of the Mississippi River, approximately 430 mi (692 km) long, in the state of Wisconsin in the United States. ...
Official language(s) None Capital Madison Largest city Milwaukee Area - Total - Width - Length - % water - Latitude - Longitude Ranked 23rd 169,790 km² 420 km 500 km 17 42°30N to 47°3N 86°49W to 92°54W Population - Total (2000) - Density Ranked 18th 5,453,896 38. ...
Sandstone near Stadtroda, Germany Sandstone is a sedimentary rock composed mainly of sand-size mineral or rock grains. ...
A tributary (or affluent or confluent) is a contributory stream, a river that does not reach the sea, but joins another major river (a parent river), to which it contributes its waters, swelling its discharge. ...
Grand Canyon, Arizona canyon, or gorge, is a valley walled by cliffs. ...
The unique cliffs, some over 100 ft. (30 m) high, and side canyons are closed to the public to protect sensitive ecological features. The viewing of the rock formations by water is a popular tourist attraction in the area. The nearby city of Wisconsin Dells is the center of summer tourist activity, much of it in the form of the theme parks unrelated to the river features. Wisconsin Dells is a city located in south-central Wisconsin, in the United States. ...
Theme Park is a simulation computer game designed by Bullfrog Productions, released in 1994, in which the player designs and operates an amusement park. ...
Description and formation
 Rock formation on the Wisconsin Dells The Dells was formed during the last ice age approximately 15,000 years ago, although the rock itself is much older, dating from the Cambrian approximately 510-520 million years ago when the area of Wisconsin was at the bottom of a shallow sea. Image File history File linksMetadata WisconsinDells02. ...
Image File history File linksMetadata WisconsinDells02. ...
Variations in CO2, temperature and dust from the Vostok ice core over the last 400 000 years For the animated movie, see Ice Age (movie). ...
The Cambrian is a major division of the geologic timescale that begins about 542 Ma (million years ago) at the end of the Proterozoic eon and ended about 488. ...
Approximately 19,000 years ago, the Dells was at the extreme eastern margin of the continental glacier. However, the Dells itself was never covered by glacial ice sheets - it was part of the large Driftless Zone that was by-passed by the ice. The melting of the glacier formed Glacial Lake Wisconsin, a lake about the size of Great Salt Lake in Utah and as deep as 150 ft (45 m). The lake was held back by an ice dam of the remaining glacier. The eventual bursting of the ice dam unleashed a catastrophic flood, dropping the lake's depth to 50 ft (15 m) and cutting deep, narrow gorges and unusual rock formations into the sandstone seen today. The Dells was probably formed in a matter of days or weeks. Aletsch glacier, Switzerland A glacier is a large, long-lasting river of ice that is formed on land and moves in response to gravity. ...
The Driftless Area is an area of about 20,000 square miles in southwestern Wisconsin and northeastern Iowa which was by-passed by the continental glaciers. ...
Glacial Lake Wisconsin was a prehistoric proglacial lake that existed approximately 15,000 years ago, at the end of the last ice age, in the central part of present-day Wisconsin in the United States. ...
Satellite Photo of the Great Salt Lake as it looked in the summer of 2003 The Great Salt Lake as seen looking north towards Antelope Island from Sunset Beach Great Salt Lake is an endorheic saline lake in northern Utah, much saltier than the ocean. ...
Official language(s) English Capital Salt Lake City Largest city Salt Lake City Area - Total - Width - Length - % water - Latitude - Longitude Ranked 13th 219,887 km² 435 km 565 km 3. ...
Look up Flood in Wiktionary, the free dictionary. ...
Unique ecosystem The area of the Dells provide a mixture of plant communities, including northern and southern oak and pine forests, as well as oak savanna, moist, and dry cliffs, Species See List of Quercus species The term oak can be used as part of the common name of any of several hundred species of trees and shrubs in the genus Quercus, and some related genera, notably Cyclobalanopsis and Lithocarpus. ...
Species About 115. ...
An oak savanna is a type of savanna, or lightly-forested grassland, found in central North America. ...
The cliffs provide unique niches for plants, some of which are very rare in Wisconsin, including:
- Cliff cudweed (Gnaphalium obtusifolium var saxicola ), which is known in only two places on Earth - in the Dells and in the Kickapoo Valley, grows on protected rock ledges.
- Lapland azalea (Rhododendron lapponicum)
- Round-stemmed false foxglove (Agalinis gattingeri)
- Maidenhair spleenwort (Asplenium trichomanes)
- Fragrant fern (Dryopteris fragrans).
Among the rare animals in the dell are six dragonfly species, including the Royal river cruiser (Macromia taeniolata), six rare mussels and numerous species of birds. Families Aeshnidae Austropetaliidae Cordulegastridae Corduliidae Gomphidae Libellulidae Neopetaliidae Petaluridae A dragonfly is any insect belonging to the order Odonata, the suborder Epiprocta or, in the strict sense, the infraorder Anisoptera. ...
Orders A mussel is a bivalve mollusc that can be found in lakes, rivers, creeks, intertidal areas, and throughout the ocean. ...
Cultural history The cultural history of the area stretches back several thousand years, from early Paleo-Indian people to the more recent Native American peoples, such as Ho-Chunk, Sac, and Menominee, who left behind effigy and burial mounds, camps and village sites, garden beds and rock art. Paleo-Indians is an English term used to refer to the ancient peoples of America who were present at the end of the last Ice Age. ...
An Atsina named Assiniboin Boy Photo by Edward S. Curtis. ...
The Ho-Chunk or Winnebago (as they are commonly called) are a tribe of Native Americans, native to what are now Wisconsin and Illinois. ...
SAC can mean: S-Allyl cysteine, a chemical constituent of garlic SAC Capital Partners, a hedge fund managed by Steven A. Cohen SAC programming language St. ...
The Menominee are a nation of Native Americans living in Wisconsin. ...
The Dells were made famous in 1886 by the photographer H.H. Bennett, who took the first stop-action photo of his son jumping onto Stand Rock. 1886 (MDCCCLXXXVI) is a common year starting on Friday (click on link to calendar) // Events January 18 - Modern field hockey is born with the formation of The Hockey Association in England. ...
This is a list of notable photographers in the art, documentary and fashion traditions. ...
Protected status The area is now owned by the Wisconsin Department of Natural Resources and was designated a State Natural Area in 1994. 1994 (MCMXCIV) was a common year starting on Saturday of the Gregorian calendar, and was designated the International year of the Family. ...
See also Glacial Lake Columbia (west) and Glacial Lake Missoula (east) are shown south of Cordilleran Ice Sheet. ...
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