Stone Operator Mining Facts - 2006 - Mining Operations; Stone Operator Mining Facts - 2006
Description:In 2006, a total of 4,573 stone mining operations reported employment to the Mine Safety and Health Administration (MSHA).1 Stone mines comprised 30.7% of all mining operations. • Mines producing the primary commodity of limestone (crushed and broken) comprised the largest number of operations (n=2,042; 44.7%). • Stone mining operations were located in all states and territories except Delaware and North Dakota. • Pennsylvania had the most stone mines (n=368; 8.0%), followed by Texas (n=342; 7.5%).
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