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The Dells of the Wisconsin River, also called the Wisconsin Dells (from Old English “ dæle ”, modern English “dale”), meaning “valley”, is [1] a 5-mile (8-km) gorge on the Wisconsin River in south-central Wisconsin, USA. It is noted for its scenery, in particular for its Cambrian sandstone rock formations and tributary canyons. [2]
The Wisconsin glaciation extended from about 75,000 to 11,000 years ago, between the Sangamonian Stage and the current interglacial, the Holocene. The maximum ice extent occurred about 25,000–21,000 years ago during the last glacial maximum, also known as the Late Wisconsin in North America. The Last Glacial Period caused a much lower global ...
The Driftless Area, also known as Bluff Country and the Paleozoic Plateau, is a topographical and cultural region in the Midwestern United States [ 1] that comprises southwestern Wisconsin, southeastern Minnesota, northeastern Iowa, and the extreme northwestern corner of Illinois. The Driftless Area is a USDA Level III Ecoregion: Ecoregion 52.
The park contains approximately eleven miles of the 1,200-mile (1,900 km) Ice Age Trail. [5] Its scenery, along with its proximity to the Wisconsin Dells, has made it one of the most visited of Wisconsin's state parks for both day use and overnight camping; the park receives over three million visitors annually. [6]
The Ice Age National Scientific Reserve is an affiliated area of the National Park System of the United States comprising nine sites in Wisconsin that preserve geological evidence of glaciation. To protect the scientific and scenic value of the landforms, the U.S. Congress authorized the creation of a cooperative reserve in 1964.
Glacial Lake Wisconsin 20,000 years ago with modern counties for geographical context. Glacial Lake Wisconsin was a prehistoric proglacial lake that existed from approximately 18,000 to 14,000 years ago, at the end of the last ice age, in the central part of present-day Wisconsin in the United States .
Scientists call this the "Wisconsin glacial episode," a cold climate period in the most recent ice age. After the glaciers reached their maximum extent around 20,000 years ago, the climate started ...
The Ice Age Trail is a National Scenic Trail covering 1,200 miles (1,900 km), following the terminal moraine of the Wisconsin Glaciation. [61] The western terminus is located in Interstate State Park, and the eastern end is in Potawatomi State Park, along the Door Peninsula. [62] The trail passes through 30 of Wisconsin's 72 counties. [63]