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Statistics: Stone Operators

Introduction

The following maps and graphs represent data for Stone Operator. The information is organized by Mines, Employees, Fatalities and Injuries. The Mines section contains information on the number and location of the mining operations. The Employees section details the number of employees and the number of employee hours. The Fatalities section presents the number of fatalities. The Injuries section presents the number and rate of nonfatal lost-time injuries by work locations and the number of injuries by accident class.

Mines

Locations of Stone Mines, 2010Locations of Stone Mines, 2010: This United States map displays symbols, by counties, representing the locations of 4,525 active stone mining operations for 2010. Active mines are mining operations that reported employment during the year. Mines at which only contractors were working did not show any employment and are not displayed.

Number of Stone Mines, 2001-2010Number of Stone Mines, 2001-2010: This graph displays the number of active metal operator mines for a 10-year period from 2001 through 2010. Active mines are those mines that reported any employee hours during the year. There were 4,282 stone mines in 2001 and 4,525 mines in 2010.

Locations of Underground Stone Mines, 2010Locations of Underground Stone Mines, 2010: This United States map displays symbols, by counties, representing the locations of 111 active underground stone mining operations for 2010. Active mines are mining operations that reported employment during the year. Mines at which only contractors were working did not show any employment and are not displayed.

Locations of Surface Stone Mines, 2010Locations of Surface Stone Mines, 2010: This United States map displays symbols, by counties, representing the locations of 4,414 active surface stone mining operations for 2010. Active mines are mining operations that reported employment during the year. Mines at which only contractors were working did not show any employment and are not displayed.

Employees

Locations and Density Map of Stone Mine Operator Employees, 2010Locations and Density Map of Stone Mine Operator Employees, 2010: This United States map displays symbols, by counties, representing the locations of 67,612 stone mine operator employees for 2010. Colored symbols represent densities of less than 25 employees, 25 to 49 employees, 50 to 199 employees, 200 to 499 employees, and 500 or more employees.

Stone Mine Operator Employee Hours, 2001-2010Stone Mine Operator Employee Hours, 2001-2010: This chart displays the number of employee hours reported by stone mine operators from 2001 to 2010. The employee hours range from 126.0 million to 170.8 million. There were 166.1 million employee hours in 2001 and 126.0 million employee hours in 2010.


Stone Mine Operator Underground Employee Hours, 2001-2010Stone Mine Operator Underground Employee Hours, 2001-2010: This chart displays the number of underground employee hours reported by stone mine operators from 2001 to 2010. The employee hours range from 3.6 million to 4.3 million. There were 3.9 million employee hours in 2001 and 3.7 million employee hours in 2010.


Stone Mine Operator Surface Employee Hours, 2001-2010Stone Mine Operator Surface Employee Hours, 2001-2010: This chart displays the number of surface employee hours reported by stone mine operators from 2001 to 2010. The employee hours range from 122.4 million to 166.5 million. There were 162.2 million employee hours in 2001 and 122.4 million employee hours in 2010.

Fatalities

Stone Operator Fatalities, 2001-2010Stone Operator Fatalities, 2001-2010: This chart displays the number of stone operator occupational mining fatalities from 2001 through 2010. There were 3 deaths in 2001 and 8 deaths in 2010.

Injuries

Stone Operator Nonfatal Lost-time Injuries, Underground, 2001-2010Stone Operator Nonfatal Lost-time Injuries, Underground, 2001-2010: This chart displays the number and rate of underground stone mining operator nonfatal lost-time injuries, excluding office employees, from 2001 through 2010. Full-time equivalent (FTE) employees equal 2,000 hours worked per year. There were 61 nonfatal lost-time injuries in 2001 with an injury rate of 3.2 per 100 FTEs. In 2010, there were 41 nonfatal lost-time injuries with a nonfatal lost-time injury rate of 2.1 per 100 FTEs.

Stone Operator Nonfatal Lost-time Injuries, Underground, by Accident Class, 2006-2010Stone Operator Nonfatal Lost-time Injuries, Underground, by Accident Class, 2006-2010: This pie chart displays the distribution of underground stone operator nonfatal lost-time injuries by accident class for the period from 2006-2010.  Excluding office employees, there were 190 nonfatal lost-time injuries. Handling materials had 24.2% of the injuries, Slip or fall of person had 22.6%, Powered haulage 14.7%, Fall of ground (from in place) 12.6%, Hand tools 9.5%, and Machinery 6.8%. Nonfatal injury cases under machinery were reclassified as fall of ground (from in place) if the source of the injury was caving rock, ore, etc. This reclassification is consistent with how MSHA classifies similar incidents which resulted in a fatal injury. Stepping/kneeling on object had 6.3% of the injuries and the All other category had 3.2% of the injuries.

Stone Operator Nonfatal Lost-time Injuries, Surface, 2001-2010Stone Operator Nonfatal Lost-time Injuries, Surface, 2001-2010: This chart displays the number and rate of surface stone mining operator nonfatal lost-time injuries, excluding office employees, from 2001 through 2010. Full-time equivalent (FTE) employees equal 2,000 hours worked per year. There were 2,621 nonfatal lost-time injuries in 2001 with an injury rate of 3.7 per 100 FTEs. In 2010, there were 1,130 nonfatal lost-time injuries with a nonfatal lost-time injury rate of 2.2 per 100 FTEs. The number of nonfatal lost-time surface stone mining injuries and injury rates have been steadily declining throughout the years.

Stone Operator Nonfatal Lost-time Injuries, Surface, by Accident Class, 2006-2010Stone Operator Nonfatal Lost-time Injuries, Surface, by Accident Class, 2006-2010: This pie chart displays the distribution of surface stone operator nonfatal lost-time injuries by accident class for the period from 2006-2010.  Excluding office employees, there were 7,841 nonfatal lost-time injuries. Handling materials had 36.8% of the injuries, Slip or fall of person had 24.6 %, Hand tools had 12.3%, and Machinery had 9.9%. Nonfatal injury cases under machinery were reclassified as fall of ground (from in place) if the source of the injury was caving rock, ore, etc. This reclassification is consistent with how MSHA classifies similar incidents which resulted in a fatal injury. Powered haulage had 7.8% and the All other category had 8.6% of the injuries.

 
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