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This list of deepest mines includes operational and non-operational mines that are at least 2,224 m (7,297 ft), which is the depth of Krubera Cave, the deepest known natural cave in the world.
Crater of Diamonds State Park is a 911-acre (369 ha) Arkansas state park in Pike County, Arkansas, in the United States. The park features a 37.5-acre (15.2-hectare) plowed field, one of the few diamond -bearing sites accessible to the public.
In 2005, Creighton mine produced an average of 3,755 tons of ore per day on a 6 days per week schedule. 2007 was a breakthrough in mining extraction and exploration, with the conformation of mineralization at depth, [18] which produced 793,000 tonnes of ore with grades of 1.62% copper and 2.8% nickel.
Pages in category "Mining in Arkansas" ... Cartney, Arkansas; Crater of Diamonds State Park; H. Hartford coal mine riot; Hell's Half Acre (Hot Springs, Arkansas) J.
It is displayed alongside the Canary Diamond, an uncut stone found at the Arkansas site in 1917. [ 7 ] The discovery of Uncle Sam arguably rescued the Arkansas Diamond Corporation, which had a debt over $276,470 (equivalent to $4.9 million in 2023) by that time and was going to be shut down in the winter of 1924.
The Arkansas Conservation Commission launched lawsuits related to the spills in the 1920s and the state launched the Arkansas Oil and Gas Commission in 1939, which set out to regulate the industry and limit oil and gas waste, as well as spills of bromine-laden salt brine brought up from the wells.
The ridge is a geological formation that rises 150–250 feet (46–76 m) above the surrounding flat Arkansas delta. Charles Frierson, a lawyer and judge from Jonesboro, was instrumental in acquiring the property as a state park. The site officially became a state park when funding was approved by the Arkansas General Assembly in 1975. [1]
DeGray Lake Resort State Park is a 984-acre (398 ha) Arkansas state park in Clark and Hot Spring counties, Arkansas in the United States. Situated in the Ouachita Mountains , the park features the 13,800-acre (5,600 ha) DeGray Lake , the park features a championship rated 18 hole golf course and Arkansas's only state park resort. [ 2 ]