TABLE 23 - Injury experience and worktime data at stone quarries
in the United States, 1931-77
Injuries
Year Nonfatal All Non- All
Fatal disabling disabling disabling injuries
1931 50 3,390 3,440 NA 3,440
1932 19 2,152 2,171 NA 2,171
1933 42 2,265 2,307 NA 2,307
1934 45 2,582 2,627 NA 2,627
1935 35 2,712 2,747 NA 2,747
1936 53 3,534 3,587 NA 3,587
1937 47 3,930 3,977 NA 3,977
1938 60 3,128 3,188 NA 3,188
1939 31 3,375 3,406 NA 3,406
1940 52 3,144 3,196 NA 3,196
1941 54 4,070 4,124 NA 4,124
1942 84 3,547 3,631 NA 3,631
1943 48 2,775 2,823 NA 2,823
1944 48 2,248 2,296 NA 2,296
1945 33 2,080 2,113 NA 2,113
1946 34 2,792 2,826 NA 2,826
1947 39 2,947 2,986 NA 2,986
1948 45 2,825 2,870 NA 2,870
1949 47 2,808 2,855 NA 2,855
1950 31 2,764 2,795 NA 2,795
1951 33 2,857 2,890 NA 2,890
1952 49 2,626 2,675 NA 2,675
1953 24 2,693 2,717 NA 2,717
1954 25 2,520 2,545 NA 2,545
1955 35 2,535 2,570 NA 2,570
1956 35 2,470 2,505 NA 2,505
1957 31 2,905 2,936 NA 2,936
1958 26 2,575 2,601 NA 2,601
1959 30 2,486 2,516 NA 2,516
1960 20 2,432 2,452 NA 2,452
1961 20 2,251 2,271 NA 2,271
1962 38 1,619 1,657 NA 1,657
1963 36 1,644 1,680 NA 1,680
1964 39 1,695 1,734 NA 1,734
1965 26 1,584 1,610 NA 1,610
1966 31 1,734 1,765 NA 1,765
1967 25 1,506 1,531 NA 1,531
1968 36 1,540 1,576 NA 1,576
1969 40 1,509 1,549 NA 1,549
1970 29 1,765 1,794 NA 1,794
1971 37 1,784 1,821 NA 1,821
1972 23 1,084 1,107 NA 1,107
1973 41 1,720 1,761 1,468 3,229
1974 34 1,792 1,826 1,393 3,219
1975 30 1,779 1,809 1,208 3,017
1976 19 1,644 1,663 857 2,520
1977 21 1,625 1,646 923 2,569
NA Not available.
Frequency rates per
million man-hours
Year Nonfatal All Non- All
Fatal disabling disabling disabling injuries
1931 0.89 60.23 61.12 NA 61.12
1932 0.49 55.80 56.30 NA 56.30
1933 1.16 62.53 63.69 NA 63.69
1934 1.20 68.95 70.15 NA 70.15
1935 0.79 61.26 62.06 NA 62.06
1936 0.89 59.14 60.03 NA 60.03
1937 0.74 62.10 62.84 NA 62.84
1938 1.15 59.97 61.12 NA 61.12
1939 0.56 60.45 61.00 NA 61.00
1940 0.94 56.61 57.55 NA 57.55
1941 0.81 61.33 62.14 NA 62.14
1942 1.25 52.82 54.07 NA 54.07
1943 0.86 49.70 50.56 NA 50.56
1944 1.05 49.00 50.05 NA 50.05
1945 0.76 47.81 48.57 NA 48.57
1946 0.54 44.30 44.84 NA 44.84
1947 0.58 43.83 44.41 NA 44.41
1948 0.65 40.49 41.14 NA 41.14
1949 0.66 39.21 39.87 NA 39.87
1950 0.40 36.07 36.47 NA 36.47
1951 0.43 37.33 37.76 NA 37.76
1952 0.64 34.52 35.17 NA 35.17
1953 0.31 34.38 34.69 NA 34.69
1954 0.36 36.16 36.52 NA 36.52
1955 0.52 37.45 37.96 NA 37.96
1956 0.50 35.30 35.80 NA 35.80
1957 0.42 39.72 40.14 NA 40.14
1958 0.37 36.79 37.16 NA 37.16
1959 0.40 33.02 33.42 NA 33.42
1960 0.28 33.74 34.02 NA 34.02
1961 0.29 32.48 32.76 NA 32.76
1962 0.54 23.21 23.76 NA 23.76
1963 0.51 23.15 23.65 NA 23.65
1964 0.54 23.60 24.15 NA 24.15
1965 0.33 20.29 20.62 NA 20.62
1966 0.42 23.54 23.96 NA 23.96
1967 0.34 20.66 21.00 NA 21.00
1968 0.49 20.86 21.34 NA 21.34
1969 0.54 20.43 20.98 NA 20.98
1970 0.40 24.24 24.64 NA 24.64
1971 0.51 24.74 25.25 NA 25.25
1972 0.44 20.89 21.33 NA 21.33
1973 0.59 24.76 25.35 21.13 46.49
1974 0.47 24.54 25.01 19.08 44.08
1975 0.42 25.02 25.45 16.99 42.44
1976 0.28 24.63 24.91 12.84 37.75
1977 0.31 23.86 24.16 13.55 37.71
NA Not available.
Severity rates per
million man-hours
Year Nonfatal All Man-hours
Fatal disabling disabling worked
(thousands)
1931 5,330 NA NA 56,280
1932 2,956 NA NA 38,563
1933 6,957 NA NA 36,223
1934 7,210 NA NA 37,448
1935 4,744 NA NA 44,267
1936 5,322 NA NA 59,756
1937 4,456 NA NA 63,283
1938 6,902 NA NA 52,158
1939 3,331 NA NA 55,835
1940 5,618 NA NA 55,538
1941 4,882 NA NA 66,363
1942 7,505 NA NA 67,152
1943 5,158 NA NA 55,832
1944 6,278 NA NA 45,877
1945 4,551 NA NA 43,507
1946 3,237 NA NA 63,023
1947 3,480 NA NA 67,243
1948 3,870 NA NA 69,762
1949 3,938 NA NA 71,607
1950 2,427 NA NA 76,632
1951 2,587 NA NA 76,527
1952 3,865 NA NA 76,063
1953 1,838 NA NA 78,329
1954 2,152 NA NA 69,691
1955 3,102 NA NA 67,698
1956 3,001 NA NA 69,981
1957 2,543 NA NA 73,136
1958 2,229 NA NA 69,986
1959 2,391 NA NA 75,292
1960 1,665 NA NA 72,071
1961 1,731 NA NA 69,314
1962 3,269 1,289 4,558 69,748
1963 3,041 1,267 4,308 71,026
1964 3,259 1,068 4,327 71,808
1965 1,998 878 2,876 78,062
1966 2,525 1,509 4,033 73,671
1967 2,057 829 2,886 72,905
1968 2,925 1,001 3,926 73,843
1969 3,250 1,091 4,341 73,844
1970 2,390 1,062 3,452 72,803
1971 3,079 969 4,048 72,111
1972 2,659 932 3,591 51,896
1973 3,542 1,140 4,681 69,459
1974 2,794 1,507 4,301 73,021
1975 2,532 1,282 3,814 71,094
1976 1,708 1,253 2,960 66,758
1977 1,850 1,726 3,575 68,118
NA Not available.
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