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Anvil-Palms Mine, Five-machine Jumbo

Petersen, Max S.
Arthur Lakes Library
Russell L. and Lyn Wood Mining History Archive
United States. Bureau of Mines
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Abstract
The photograph depicts miners operating a Five-machine Jumbo. A jumbo is a mobile drill carriage or scaffold on which several drills could be mounted. The Anvil Palms Mine (Anvil-Palms-Keweenaw Mine Group) is located in Gogebic County, Michigan in the Gogebic Range. Both the Anvil and Palms mines were opened in 1886. The mines were consolidated in 1923 with the Keweenaw lease (North Anvil lease and Massie lease) and eventually worked to a depth of some 2,000 feet. The Mine was operated by Youngstown Mines Corporation for Pickands, Mather and Company from 1931 to its closure in 1957. Pickands, Mather and Company was established in 1883 as an iron mining and shipping firm with interests in the Lake Superior region. It was one of the large mining companies that consolidated smaller properties in the Michigan iron ranges in the early 1900s. The Company became one of the largest iron ore companies in the US.
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