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At the time of the Cambrian explosion, as multi-cellular became commonplace, Arkansas was primarily flooded by rivers and a shallow marine environment.In the Ozark region, calcareous, quartzose sand and clay deposited, while the Ouachita area witnessed the formation of alternating layers of sand, clay, silt and small amounts of lime mud.
The half of the state south of Little Rock is apter to see ice storms. Arkansas's record high is 120 °F (49 °C) at Ozark on August 10, 1936; the record low is −29 °F (−34 °C) at Gravette, on February 13, 1905. [16] Arkansas is known for extreme weather and frequent storms.
The Northwest Angle in Minnesota, bordering Manitoba, Ontario, and Lake of the Woods. There are several exclaves between the United States and Canada, including the entire state of Alaska (though the state can still be accessed by sea from the United States, except the small settlement of Hyder, which is only accessible by road from British Columbia).
The park contains the tallest sand dunes in North America, up to 750 feet (230 m) tall. [6] [7] The dunes cover an area of about 30 sq mi (78 km 2) and are estimated to contain over 1.2 cubic miles (5 billion cubic metres) of sand. [8] Sediments from the surrounding mountains filled the valley over geologic time periods.
Fayetteville, Arkansas: The University of Arkansas Press. ISBN 1-55728-724-4. OCLC 49029558. Gatewood, Willard B; Whayne, Jeannie (1993). The Arkansas Delta: A Land of Paradox. Fayetteville, Arkansas: University of Arkansas Press. ISBN 1-55728-287-0. Dollins, Mike. Blues Guitar News: A listing of Arkansas Blues Legends and Blues Highway 49 History.
On Jan. 7, the Sahara desert witnessed an extremely rare snowstorm — just the third of its kind in 37 years — breaking a long snow drought in Algeria.
The National Park Service ambulance and Mercy Air’s air ambulance at the landing zone at 3,000 feet just east of Death Valley National Park’s CA-190 east entrance.
In Arkansas, as of July 2024, the average cost of car insurance is $2,156 per year, or $179 a month, for a full coverage policy and $431 per year, or $36 a month, for a minimum coverage policy ...