Nonmetal Operator Mining Facts - 2005 - Mining Operations
Description:In 2005, a total of 739 nonmetal mining operations reported employment to the Mine Safety and Health Administration (MSHA). These mines (e.g., potash, gypsum, salt) comprised 5.0% of all operations. • Mines producing common clay comprised 26.9% (n=199) of all nonmetal mining operations. • Nonmetal mining operations were located in all states and territories except Alaska, Delaware, Hawaii, Maine, New Hampshire, Rhode Island, Puerto Rico, and the Virgin Islands.
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