TABLE 33 - Fatal and nonfatal disabling injuries and man-hours for metal,
nonmetal, stone mills with summarized data and injury-frequency
rates, 1950-77
Metal Nonmetal 1/
Year
Fatal Nonfatal Man-hours Fatal Nonfatal Man-hours
1950 7 785 34,815,000 NA NA NA
1951 6 778 39,179,000 NA NA NA
1952 4 852 41,370,000 NA NA NA
1953 4 826 46,813,000 NA NA NA
1954 10 830 42,120,947 NA NA NA
1955 3 795 39,836,725 3 451 19,843,000
1956 9 679 45,439,548 7 1,157 40,675,317
1957 9 743 49,795,472 10 1,512 59,764,701
1958 3 467 41,798,709 9 1,490 71,161,360
1959 5 353 38,621,313 11 2,156 90,705,663
1960 5 488 53,638,176 13 1,794 86,386,294
1961 3 458 49,552,448 6 1,680 83,924,787
1962 14 482 49,163,173 9 1,383 74,620,591
1963 5 410 43,873,142 2 1,476 75,944,380
1964 5 406 45,242,994 6 1,580 71,461,124
1965 3 472 48,656,680 10 1,483 70,974,920
1966 7 575 51,049,854 11 1,564 72,810,214
1967 7 587 46,950,538 13 1,525 68,849,839
1968 2 539 50,182,068 3 1,519 63,780,858
1969 6 620 54,800,420 10 1,481 63,651,363
1970 8 722 57,297,140 10 1,595 62,293,048
1971 9 601 50,833,611 9 1,567 55,723,029
1972 5 505 45,294,399 7 1,348 47,333,026
1973 5 412 47,221,609 7 630 41,789,944
1974 4 470 49,956,117 5 599 43,228,356
1975 2 604 52,855,872 12 666 42,341,402
1976 2 717 59,661,281 8 841 46,707,152
1977 8 631 54,331,797 6 918 49,456,554
NA Not available.
1/ Nonmetal mill data (excluding clay mills) first compiled in 1955; clay mill
data first compiled in 1956.
Stone
Year
Fatal Nonfatal Man-hours
1950 23 1,998 112,902,626
1951 24 2,088 114,586,362
1952 25 1,877 110,488,916
1953 19 1,757 111,447,454
1954 9 1,314 106,126,116
1955 18 1,276 108,077,336
1956 13 1,284 108,300,316
1957 22 1,305 110,258,150
1958 19 1,997 116,835,477
1959 22 2,304 124,029,658
1960 19 2,236 130,294,833
1961 12 2,029 123,391,116
1962 29 1,680 123,705,497
1963 25 1,824 122,658,537
1964 22 1,672 116,192,169
1965 22 1,721 115,938,040
1966 20 1,849 117,116,584
1967 21 1,761 113,321,324
1968 22 1,720 112,777,395
1969 13 1,880 113,158,989
1970 14 1,901 111,422,161
1971 21 2,109 112,503,948
1972 23 1,908 92,030,737
1973 19 716 60,843,351
1974 14 821 63,686,095
1975 6 747 59,181,173
1976 14 1,235 83,109,908
1977 18 1,623 87,726,841
NA Not available.
1/ Data for 1950-53 includes nonmetal mine data; cannot be separated by detailed
work location.
Total injuries Total Frequency rates per
Year Man-hours million man-hours
Fatal Nonfatal Fatal Nonfatal
1950 30 2,783 147,717,626 0.20 18.84
1951 30 2,866 153,765,362 0.20 18.64
1952 29 2,729 151,858,916 0.19 17.97
1953 23 2,583 158,260,454 0.15 16.32
1954 19 2,144 148,247,063 0.13 14.46
1955 24 2,522 167,757,061 0.14 15.03
1956 31 3,120 194,415,181 0.16 16.05
1957 41 3,560 219,818,323 0.19 16.20
1958 31 3,954 229,795,546 0.13 17.21
1959 38 4,813 253,356,634 0.15 19.00
1960 37 4,518 270,319,303 0.14 16.71
1961 21 4,167 256,868,351 0.08 16.22
1962 52 3,545 247,489,261 0.21 14.32
1963 32 3,710 242,476,059 0.13 15.30
1964 33 3,658 232,896,287 0.14 15.71
1965 35 3,676 235,569,640 0.15 15.60
1966 38 3,988 240,976,652 0.16 16.55
1967 41 3,873 229,121,701 0.18 16.90
1968 27 3,778 226,740,321 0.12 16.66
1969 29 3,981 231,610,772 0.13 17.19
1970 32 4,218 231,012,349 0.14 18.26
1971 39 4,277 219,060,588 0.18 19.52
1972 35 3,761 184,658,162 0.19 20.37
1973 31 1,758 149,854,904 0.21 11.73
1974 23 1,890 156,870,568 0.15 12.05
1975 20 2,017 154,378,447 0.13 13.07
1976 24 2,793 189,478,341 0.13 14.74
1977 32 3,172 191,515,192 0.17 16.56
NA Not available.
1/ Data for 1950-53 includes nonmetal mine data; cannot be separated by detailed
work location.
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