Table	Summary of Mine-level Characteristics by Commodity, 2006
Table	Summary of Contractor Company-level Characteristics for Independent Contractors Working at Coal and Noncoal (metal, nonmetal, stone, and sand and gravel) Mining Operations, 2006
Table	Number of Mines, Employees, Full-time Equivalent Employees, and Median Employment Size by Commodity and Employer Type, 2006
Table	Number of Mining Employees by Detailed Commodity and Type of Operation, 2006
	Number of Mines, Mine Operator Employees, and Mine Size by Commodity, 2006		Mine and Employment Characteristics, 2006
	Distribution of Mine Operator Employees by Commodity, 2006		Number of Employee Hours Reported by Mine Operators and Independent Contractors by Commodity and Year, 1997-2006
	Number of Underground Employee Hours Reported by Mine Operators and Independent Contractors by Commodity and Year, 1997-2006		Number of Surface Employee Hours Reported by Mine Operators and Independent Contractors by Commodity and Year, 1997-2006
	Number of Employee Hours Reported by Mine Operators and Independent Contractors by Underground or Surface Work Location by Year, 1997-2006		Number of Employee Hours Reported by Mine Operators and Independent Contractors by Year, 1997-2006
	Number of Full-time Equivalent Workers at Underground Work Locations by Type of Employer and Commodity, 1996 versus 2006		Number of Full-time Equivalent Workers at Surface Work Locations by Type of Employer and Commodity, 1996 versus 2006
	Number of Mine Operator Employees by County, 2006		Number of Coal Mine Operator Employees by County, 2006
	Number of Metal Mine Operator Employees by County, 2006		Number of Nonmetal Mine Operator Employees by County, 2006
	Number of Stone Mine Operator Employees by County, 2006		Number of Sand & Gravel Mine Operator Employees by County, 2006
	Mine Operator Employees Working at Underground Locations by County, 2006		Mine Operator Employees Working at Surface Locations by County, 2006
Table	1983-2006--Average Number of Employees, Total Number of Hours Worked, and Number of Full-time Equivalent Employees by Year
Table	1983-2006--Average Number of Employees, Total Number of Hours Worked, and Number of Full-time Equivalent Employees by Year; Excludes Office Employees
Table	1983-2006--Average Number of Employees, Total Number of Hours Worked, and Number of Full-Time Equivalent Employees by Underground/Surface Location by Year; Excludes Office Employees; Data Source: MSHA
Table	1983-2006--Average Number of Employees, Total Number of Hours Worked, and Number of Full-Time Equivalent Employees by Mining Commodity Sector by Year; Excludes Office Employees; Data Source: MSHA
Table	1983-2006--Average Number of Employees, Total Number of Hours Worked, and Number of Full-Time Equivalent Employees by Underground/Surface Work Location and Mining Commodity Sector by Year; Excludes Office Employees; Data Source: MSHA

For more information, contact Linda J. McWilliams, Pittsburgh Research Laboratory, 412-386-6116, LMcWilliams@cdc.gov, or Patrick J. Coleman, PhD, Spokane Research Laboratory, 509-354-8065, PColeman@cdc.gov.