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Autumn in the Driftless Area of Cross Plains, Wisconsin. The Driftless Area, also known as Bluff Country and the Paleozoic Plateau, is a topographic 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 Baraboo Range is a monadnock in Sauk and Columbia Counties and a National Natural Landmark formed 1.6 billion years ago featuring Devil's Lake, an endorheic lake. Its first use appears to have been in Edwin James' three-volume work, "An Account of an Expedition from Pittsburgh to the Rocky Mountains , Performed in the Years 1819, 1820 ...
Unmetamorphosed sedimentary rocks are found in the rock record from the Cambrian, in the early Paleozoic.The feldspathic quartz sandstone and orthoquartz sandstone of Chequamegon, Devils Island and Orienta formations make up the Bayfield Group which underlies the entire Lake Superior shoreline of the state from Chequamecon Bay to the St. Louis River in the west.
Baraboo Range in winter Looking east down the range on Wisconsin Highway 78. The Baraboo Range is a mountain range in Columbia County and Sauk County, Wisconsin. Geologically, it is a syncline fold consisting of highly eroded Precambrian metamorphic rock. It is about 25 miles (40 km) long and varies from 5 to 10 miles (16 km) in width.
Based on the large size of the sand volcanoes, the quake must have been at least a 7 or an 8 magnitude — approaching the size of the Great 1906 San Francisco earthquake.
The Wisconsin glaciation formed the Wisconsin Dells, Devil's Lake, and the Kettle Moraine. A number of areas are protected in the state, including Devil's Lake State Park, the Apostle Islands National Lakeshore, and the Chequamegon–Nicolet National Forest. Wisconsin has a humid continental climate across the entire state, with four distinct ...
The state park is known for its 500-foot-high (150 m) quartzite bluffs along the 360-acre (150 ha) Devil's Lake, which was created by a glacier depositing terminal moraines that plugged the north and south ends of the gap in the bluffs during the last ice age approximately 12,000 years ago.
A magnitude 2.5 earthquake was detected in the Crandon area in northern Wisconsin Sunday morning, according to the U.S. Geological Survey. The earthquake hit 4 kilometers, or about two and a half ...