TABLE 6. - NUMBER OF CONTRACTOR INJURIES, INJURY-INCIDENCE RATES, AVERAGE NUMBER OF EMPLOYEES, AND EMPLOYEE HOURS, BY WORK LOCATION AND MINERAL INDUSTRY JANUARY - DECEMBER -- 1999 WORK LOCATION FATAL NFDL NDL AND FATAL INC NFDL INC NDL INC MINERAL INDUSTRY RATES RATES RATES UNDERGROUND MINES: METAL------------------------- 2 29 28 NONMETAL---------------------- - 11 10 STONE------------------------- 1 41 9 TOTAL, UNDERGROUND MINES- 3 .17 81 4.46 47 2.59 SURFACE MINES: METAL------------------------- 2 68 52 NONMETAL---------------------- - 47 16 STONE------------------------- 5 78 30 SUBTOTAL, SURFACE MINES-- 7 193 98 SAND AND GRAVEL--------------- 3 14 3 TOTAL, SURFACE MINES----- 10 .07 207 1.51 101 .74 TOTAL, MINES------------- 13 .08 288 1.85 148 .95 MILLS: METAL------------------------- 1 42 51 NONMETAL---------------------- - 15 16 STONE------------------------- 4 114 107 TOTAL, MILLS------------- 5 .07 171 2.40 174 2.44 INDEPENDENT SHOPS AND YARDS: METAL------------------------- - - - NONMETAL---------------------- - - - STONE------------------------- - 1 - TOTAL, SHOPS AND YARDS--- - 1 12.37 - ALL MINES, MILLS AND SHOPS: METAL------------------------- 5 139 131 NONMETAL---------------------- - 73 42 STONE------------------------- 10 234 146 SUBTOTAL----------------- 15 446 319 SAND AND GRAVEL--------------- 3 14 3 TOTAL, MINES/MILLS/SHOPS- 18 .08 460 2.03 322 1.42 OFFICEWORKERS: METAL------------------------- - 4 3 NONMETAL---------------------- - - - STONE------------------------- - 2 2 SAND AND GRAVEL--------------- - - - TOTAL, OFFICEWORKERS----- - 6 .49 5 .41 SUMMARY TOTAL (INCLUDES OFFICE- WORKERS): METAL------------------------- 5 143 134 NONMETAL---------------------- - 73 42 STONE------------------------- 10 236 148 SUBTOTAL----------------- 15 452 324 SAND AND GRAVEL--------------- 3 14 3 GRAND TOTAL-------------- 18 .08 466 1.95 327 1.37 TABLE 6. - NUMBER OF CONTRACTOR INJURIES, INJURY-INCIDENCE RATES, AVERAGE NUMBER OF EMPLOYEES AND EMPLOYEE HOURS, BY WORK LOCATION AND MINERAL INDUSTRY JANUARY - DECEMBER -- 1999 WORK LOCATION ALL AVG AND ALL INC NUM EMP MINERAL INDUSTRY OCC RATES EMP HOURS UNDERGROUND MINES: METAL------------------------- 59 NONMETAL---------------------- 21 STONE------------------------- 51 TOTAL, UNDERGROUND MINES- 131 7.21 3,275 3,635,425 SURFACE MINES: METAL------------------------- 122 NONMETAL---------------------- 63 STONE------------------------- 113 SUBTOTAL, SURFACE MINES-- 298 SAND AND GRAVEL--------------- 20 TOTAL, SURFACE MINES----- 318 2.32 26,476 27,446,420 TOTAL, MINES------------- 449 2.89 29,751 31,081,845 MILLS: METAL------------------------- 94 NONMETAL---------------------- 31 STONE------------------------- 225 TOTAL, MILLS------------- 350 4.91 13,097 14,243,360 INDEPENDENT SHOPS AND YARDS: METAL------------------------- - NONMETAL---------------------- - STONE------------------------- 1 TOTAL, SHOPS AND YARDS--- 1 12.37 8 485 ALL MINES, MILLS AND SHOPS: METAL------------------------- 275 NONMETAL---------------------- 115 STONE------------------------- 390 SUBTOTAL----------------- 780 SAND AND GRAVEL--------------- 20 TOTAL, MINES/MILLS/SHOPS- 800 3.53 42,856 45,325,690 OFFICEWORKERS: METAL------------------------- 7 NONMETAL---------------------- - STONE------------------------- 4 SAND AND GRAVEL--------------- - TOTAL, OFFICEWORKERS----- 11 .90 1,848 2,446,287 SUMMARY TOTAL (INCLUDES OFFICE- WORKERS): METAL------------------------- 282 NONMETAL---------------------- 115 STONE------------------------- 394 SUBTOTAL----------------- 791 SAND AND GRAVEL--------------- 20 GRAND TOTAL-------------- 811 3.40 44,704 47,771,977