| Historical Data 1950 -1997 Metal, Nonmetal, Stone, and Sand and Gravel Mines |
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TABLE 30 - Fatal and nonfatal disabling injuries and man-hours for underground
workings at metal, nonmetal, and stone mines with summarized
data and injury-frequency rates, 1950-77
Metal 1/ Nonmetal 2/
Year
Fatal Nonfatal Man-hours Fatal Nonfatal Man-hours
1950 85 6,046 86,565,534 NA NA NA
1951 84 5,987 91,198,993 NA NA NA
1952 111 5,936 92,850,458 NA NA NA
1953 93 5,548 88,890,484 NA NA NA
1954 67 4,138 68,839,907 5 490 9,717,156
1955 62 4,687 73,077,766 9 624 11,648,476
1956 74 4,370 75,857,117 4 506 10,703,947
1957 56 3,667 72,796,487 5 593 11,462,155
1958 55 2,699 54,758,431 8 424 9,839,908
1959 58 2,591 50,743,047 2 495 11,008,202
1960 65 2,981 56,855,911 8 470 9,906,029
1961 39 2,997 54,300,040 7 403 9,426,425
1962 46 2,595 50,678,641 9 423 9,363,359
1963 32 2,506 47,158,555 29 426 9,728,737
1964 40 2,658 50,514,561 7 450 9,892,832
1965 46 2,707 51,897,888 11 490 10,529,702
1966 63 2,661 51,929,717 10 454 10,084,876
1967 51 2,197 42,225,537 6 499 9,911,127
1968 33 2,118 42,059,259 29 496 9,087,766
1969 43 2,357 43,526,876 9 322 8,382,542
1970 43 2,663 44,874,014 12 371 8,600,529
1971 37 2,531 41,020,215 12 381 8,630,222
1972 125 2,088 37,270,551 7 309 7,971,307
1973 37 2,218 35,551,614 6 296 8,994,810
1974 34 2,446 39,762,407 9 358 9,910,055
1975 25 2,215 40,218,161 3 358 10,768,031
1976 24 1,930 38,094,571 9 319 10,551,967
1977 35 1,783 38,808,515 3 300 10,679,190
NA Not available.
1/ Data for 1950-53 includes nonmetal mine data; cannot be separated by detailed
work location.
2/ Mine data 1950-53, included with metal data. Clay mine data first compiled
in 1955.
Stone
Year
Fatal Nonfatal Man-hours
1950 3 255 8,785,200
1951 7 302 9,154,767
1952 7 207 7,534,003
1953 2 201 7,337,933
1954 2 156 5,590,118
1955 2 142 5,847,627
1956 1 186 6,136,672
1957 2 136 5,913,743
1958 3 162 5,293,283
1959 1 172 6,069,792
1960 1 214 5,637,970
1961 2 150 5,272,425
1962 5 152 4,675,121
1963 3 139 4,954,960
1964 2 141 4,546,763
1965 4 126 5,111,681
1966 4 154 4,823,384
1967 4 135 4,753,860
1968 6 116 4,603,671
1969 5 127 4,621,928
1970 1 86 4,698,115
1971 6 130 4,289,173
1972 2 70 3,448,556
1973 3 156 3,851,666
1974 4 199 4,284,874
1975 3 151 4,001,496
1976 2 128 3,613,755
1977 2 127 3,667,249
NA Not available.
1/ Data for 1950-53 includes nonmetal mine data; cannot be separated by detailed
work location.
2/ Mine data 1950-53, included with metal data. Clay mine data first compiled
in 1955
Total injuries Total Frequency rates per
Year Man-hours million man-hours
Fatal Nonfatal Fatal Nonfatal
1950 88 6,301 95,350,734 0.92 66.08
1951 91 6,289 100,353,760 0.91 62.67
1952 118 6,143 100,384,461 1.18 61.19
1953 95 5,749 96,228,417 0.99 59.74
1954 74 4,784 84,147,181 0.88 56.85
1955 73 5,453 90,573,869 0.81 60.21
1956 79 5,062 92,697,736 0.85 54.61
1957 63 4,396 90,172,385 0.70 48.75
1958 66 3,285 69,891,622 0.94 47.00
1959 61 3,258 67,821,041 0.90 48.04
1960 74 3,665 72,399,910 1.02 50.62
1961 48 3,550 68,998,890 0.70 51.45
1962 60 3,170 64,717,121 0.93 48.98
1963 64 3,071 61,842,252 1.03 49.66
1964 49 3,249 64,954,156 0.75 50.02
1965 61 3,323 67,539,271 0.90 49.20
1966 77 3,269 66,837,977 1.15 48.91
1967 61 2,831 56,890,524 1.07 49.76
1968 68 2,730 55,750,696 1.22 48.97
1969 57 2,806 56,531,346 1.01 49.64
1970 56 3,120 58,172,658 0.96 53.63
1971 55 3,042 53,939,610 1.02 56.40
1972 134 2,467 48,690,414 2.75 50.67
1973 46 2,670 48,398,090 0.95 55.17
1974 47 3,003 53,957,336 0.87 55.66
1975 31 2,724 54,987,688 0.56 49.54
1976 35 2,377 52,260,293 0.67 45.48
1977 40 2,210 53,154,954 0.75 41.58
NA Not available.
1/ Data for 1950-53 includes nonmetal mine data; cannot be separated by detailed
work location.
2/ Mine data 1950-53, included with metal data. Clay mine data first compiled
in 1955
NA Not available.
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