NIOSH Mining Safety and Health Research

Mining Operations


Click on the thumbnails for larger images.
Table Number of Active Mines by Commodity by State, 2005
Table Number of Active Mines by Commodity by Year, 1983-2005
Table Number of Active Underground and Surface Mines by Commodity by Year, 1983-2005
Table Summary of Mine-level Characteristics by Commodity, 2005
Table Number of Mines, Employees, Full-time Equivalent Employees, and Median Employment Size by Commodity and Employer Type, 2005
Table Distribution of Mines by Type of Operation and Commodity, 2005
Table Number of Mines by Detailed Commodity and Type of Operation, 2005
Number of mines by commodity and year Number of Mines by Commodity and Year, 1986-2005
Mining characteristics Mining Characteristics, 2005
Underground and surface mining characteristics Underground and Surface Mining Characteristics, 2005
Table of number of mines, employees, and mine size Number of Mines, Mine Operator Employees, and Mine Size by Commodity, 2005
Map of mine locations by commodity All Mining Operations by Commodity, 2005

NOTE: For clearer viewing of mines by commodity, it is suggested that you display/print this map in a very large format.

Map of mine locations All Mining Operations, 2005
Map of coal mine locaions Coal Mining Operations, 2005
Map of metal mine locaions Metal Mining Operations, 2005
Map of nonmetal mine locaions Nonmetal Mining Operations, 2005
Map of stone mine locaions Stone Mining Operations, 2005
Map of sand and gravel mine locaions Sand and Gravel Mining Operations, 2005
Map of noncoal mine locaions Noncoal (Metal, Nonmetal, Stone, and Sand and Gravel) Mining Operations, 2005
Data source:  Mine Safety and Health Administration (MSHA). See Methodology for further details.

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.


Page last updated: 4/18/2008
Page last reviewed: 4/18/2008
Content Source: National Institute for Occupational Safety and Health (NIOSH)