TABLE 6. - NUMBER OF CONTRACTOR INJURIES, INJURY-INCIDENCE RATES, AVERAGE NUMBER OF EMPLOYEES, AND EMPLOYEE HOURS, BY WORK LOCATION AND MINERAL INDUSTRY JANUARY - DECEMBER -- 1997 WORK LOCATION FATAL NFDL NDL AND FATAL INC NFDL INC NDL INC MINERAL INDUSTRY RATES RATES RATES UNDERGROUND MINES: METAL------------------------- 2 67 33 NONMETAL---------------------- - 9 6 STONE------------------------- - 3 - TOTAL, UNDERGROUND MINES- 2 .12 79 4.82 39 2.38 SURFACE MINES: METAL------------------------- 3 99 78 NONMETAL---------------------- 1 40 12 STONE------------------------- 9 91 30 SUBTOTAL, SURFACE MINES-- 13 230 120 SAND AND GRAVEL--------------- 4 19 4 TOTAL, SURFACE MINES----- 17 .13 249 1.91 124 .95 TOTAL, MINES------------- 19 .13 328 2.23 163 1.11 MILLS: METAL------------------------- - 56 53 NONMETAL---------------------- 1 21 22 STONE------------------------- 2 93 53 TOTAL, MILLS------------- 3 .06 170 3.20 128 2.41 INDEPENDENT SHOPS AND YARDS: METAL------------------------- - - - NONMETAL---------------------- - - - STONE------------------------- - - - TOTAL, SHOPS AND YARDS--- - - - ALL MINES, MILLS AND SHOPS: METAL------------------------- 5 222 164 NONMETAL---------------------- 2 70 40 STONE------------------------- 11 187 83 SUBTOTAL----------------- 18 479 287 SAND AND GRAVEL--------------- 4 19 4 TOTAL, MINES/MILLS/SHOPS- 22 .11 498 2.49 291 1.45 OFFICEWORKERS: METAL------------------------- - 1 2 NONMETAL---------------------- - - 1 STONE------------------------- - 1 - SAND AND GRAVEL--------------- - - - TOTAL, OFFICEWORKERS----- - 2 .16 3 .24 SUMMARY TOTAL (INCLUDES OFFICE- WORKERS): METAL------------------------- 5 223 166 NONMETAL---------------------- 2 70 41 STONE------------------------- 11 188 83 SUBTOTAL----------------- 18 481 290 SAND AND GRAVEL--------------- 4 19 4 GRAND TOTAL-------------- 22 .10 500 2.35 294 1.38 TABLE 6. - NUMBER OF CONTRACTOR INJURIES, INJURY-INCIDENCE RATES, AVERAGE NUMBER OF EMPLOYEES AND EMPLOYEE HOURS, BY WORK LOCATION AND MINERAL INDUSTRY JANUARY - DECEMBER -- 1997 WORK LOCATION ALL AVG AND ALL INC NUM EMP MINERAL INDUSTRY OCC RATES EMP HOURS UNDERGROUND MINES: METAL------------------------- 102 NONMETAL---------------------- 15 STONE------------------------- 3 TOTAL, UNDERGROUND MINES- 120 7.32 3,622 3,280,810 SURFACE MINES: METAL------------------------- 180 NONMETAL---------------------- 53 STONE------------------------- 130 SUBTOTAL, SURFACE MINES-- 363 SAND AND GRAVEL--------------- 27 TOTAL, SURFACE MINES----- 390 2.99 24,083 26,105,367 TOTAL, MINES------------- 510 3.47 27,705 29,386,177 MILLS: METAL------------------------- 109 NONMETAL---------------------- 44 STONE------------------------- 148 TOTAL, MILLS------------- 301 5.66 10,251 10,632,623 INDEPENDENT SHOPS AND YARDS: METAL------------------------- - NONMETAL---------------------- - STONE------------------------- - TOTAL, SHOPS AND YARDS--- - 7 1,050 ALL MINES, MILLS AND SHOPS: METAL------------------------- 391 NONMETAL---------------------- 112 STONE------------------------- 281 SUBTOTAL----------------- 784 SAND AND GRAVEL--------------- 27 TOTAL, MINES/MILLS/SHOPS- 811 4.05 37,963 40,019,850 OFFICEWORKERS: METAL------------------------- 3 NONMETAL---------------------- 1 STONE------------------------- 1 SAND AND GRAVEL--------------- - TOTAL, OFFICEWORKERS----- 5 .40 1,921 2,502,861 SUMMARY TOTAL (INCLUDES OFFICE- WORKERS): METAL------------------------- 394 NONMETAL---------------------- 113 STONE------------------------- 282 SUBTOTAL----------------- 789 SAND AND GRAVEL--------------- 27 GRAND TOTAL-------------- 816 3.84 39,884 42,522,711