Mining production and cost statistics, 1926-1964.

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Mining production and cost statistics, 1926-1964.

http://www.worldcat.org/oclc/49880121

Series 5 of record group RG 81-14 consists of mining production and cost statistics for the years 1926-1964. These records provide data, by mine or mineral range, on number of tons mined and shipped; number of active mines; average number of days worked; number of men employed; average daily and yearly wage; tons mined per man day; taxes paid; costs per ton for labor, supplies transportation, overhead, marketing, and taxes; and profit made.

.2 cu. ft.

State Archive of Michigan

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SNAC Resource ID: 7614998

State Archive of Michigan

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Michigan. Geological Survey Division

http://n2t.net/ark:/99166/w6rn8b3q (corporateBody)

The Michigan Geological Survey was created by Public Act 20 of 1837. Its purpose was to conduct a geological and mineralogical survey of the state. The state legislature appointed Douglass Houghton the first state geologist (1837). In 1921, the state legislature established the Department of Conservation, and the Michigan Geological Survey became part of that department (Public Act 17 of 1921). The Department of Conservation established the Geological Survey Division circa 1947. In 1968, the dep...