TABLE 2A. - Injury experience, worktime, and production data at
Pennsylvania anthracite mines in the United States, 1931-77
Injuries
Year Nonfatal All Non- All
Fatal disabling disabling disabling injuries
1931 383 23,983 24,366 NA 24,366
1932 249 16,931 17,180 NA 17,180
1933 231 15,183 15,414 NA 15,414
1934 268 18,577 18,845 NA 18,845
1935 274 15,897 16,171 NA 16,171
1936 244 17,026 17,270 NA 17,270
1937 215 13,412 13,627 NA 13,627
1938 225 12,842 13,067 NA 13,067
1939 211 13,229 13,440 NA 13,440
1940 184 13,782 13,966 NA 13,966
1941 194 14,420 14,614 NA 14,614
1942 226 13,581 13,807 NA 13,807
1943 226 13,527 13,753 NA 13,753
1944 174 12,438 12,612 NA 12,612
1945 143 10,923 11,066 NA 11,066
1946 173 12,533 12,706 NA 12,706
1947 173 11,635 11,808 NA 11,808
1948 137 11,394 11,531 NA 11,531
1949 91 7,857 7,948 NA 7,948
1950 93 8,874 8,967 NA 8,967
1951 101 7,472 7,573 NA 7,573
1952 99 6,355 6,454 NA 6,454
1953 64 4,146 4,210 NA 4,210
1954 62 2,972 3,034 NA 3,034
1955 60 2,919 2,979 NA 2,979
1956 56 3,330 3,386 NA 3,386
1957 51 2,877 2,928 NA 2,928
1958 32 2,124 2,156 NA 2,156
1959 47 1,723 1,770 NA 1,770
1960 35 1,401 1,436 NA 1,436
1961 19 1,295 1,314 NA 1,314
1962 26 1,161 1,187 NA 1,187
1963 32 1,295 1,327 NA 1,327
1964 24 1,342 1,366 NA 1,366
1965 8 1067 1,075 NA 1,075
1966 6 829 835 NA 835
1967 9 609 618 NA 618
1968 4 504 508 NA 508
1969 13 492 505 NA 505
1970 5 503 508 NA 508
1971 5 553 558 NA 558
1972 3 317 320 390 710
1973 1 340 341 492 833
1974 2 247 249 372 621
1975 2 251 253 456 709
1976 1 293 294 435 729
1977 11 289 300 296 596
NA Not available.
Frequency rates per
million man-hours
Year Nonfatal All Non- All
Fatal disabling disabling disabling injuries
1931 1.84 115.07 116.91 NA 116.91
1932 1.59 107.88 109.47 NA 109.47
1933 1.49 98.13 99.62 NA 99.62
1934 1.50 104.15 105.65 NA 105.65
1935 1.78 103.16 104.94 NA 104.94
1936 1.56 108.80 110.36 NA 110.36
1937 1.58 98.72 100.31 NA 100.31
1938 1.94 110.85 112.79 NA 112.79
1939 1.71 107.37 109.08 NA 109.08
1940 1.50 112.55 114.06 NA 114.06
1941 1.49 110.83 112.32 NA 112.32
1942 1.64 98.73 100.37 NA 100.37
1943 1.50 89.68 91.18 NA 91.18
1944 1.06 76.05 77.11 NA 77.11
1945 1.01 77.32 78.33 NA 78.33
1946 1.14 82.65 83.79 NA 83.79
1947 1.18 79.41 80.59 NA 80.59
1948 0.91 75.69 76.60 NA 76.60
1949 0.83 71.88 72.71 NA 72.71
1950 0.80 76.14 76.93 NA 76.93
1951 0.95 69.94 70.88 NA 70.88
1952 1.03 66.35 67.38 NA 67.38
1953 0.92 59.85 60.77 NA 60.77
1954 1.23 59.18 60.41 NA 60.41
1955 1.30 63.46 64.77 NA 64.77
1956 1.12 66.31 67.42 NA 67.42
1957 1.15 64.93 66.08 NA 66.08
1958 0.90 59.88 60.78 NA 60.78
1959 1.60 58.66 60.26 NA 60.26
1960 1.43 57.30 58.73 NA 58.73
1961 0.85 57.75 58.60 NA 58.60
1962 1.26 56.14 57.40 NA 57.40
1963 1.52 61.53 63.05 NA 63.05
1964 1.18 65.89 67.07 NA 67.07
1965 0.49 65.16 65.65 NA 65.65
1966 0.44 60.64 61.07 NA 61.07
1967 0.73 49.27 50.00 NA 50.00
1968 0.36 45.77 46.13 NA 46.13
1969 1.29 48.85 50.14 NA 50.14
1970 0.49 49.20 49.69 NA 49.69
1971 0.54 59.37 59.90 NA 59.90
1972 0.48 51.03 51.52 62.79 114.30
1973 0.17 56.24 56.40 81.38 137.78
1974 0.39 48.40 48.79 72.89 121.68
1975 0.40 50.74 51.15 92.18 143.33
1976 0.19 56.64 56.84 84.10 140.93
1977 2.12 55.72 57.84 57.07 114.91
NA not available.
Severity rates per
Million man-hours
Year Nonfatal All Man-hours Production,
Fatal disabling disabling worked short tons
(thousands) (thousands)
1931 11,026 NA NA 208,415 59,646
1932 9,519 NA NA 156,944 49,855
1933 8,958 NA NA 154,723 49,541
1934 9,015 NA NA 178,372 57,168
1935 10,669 NA NA 154,096 52,263
1936 9,355 NA NA 156,486 54,670
1937 9,495 NA NA 135,854 51,745
1938 11,653 NA NA 115,852 46,149
1939 10,275 NA NA 123,211 51,346
1940 9,016 NA NA 122,447 51,489
1941 8,946 NA NA 130,107 54,115
1942 9,858 NA NA 137,560 58,316
1943 8,990 NA NA 150,832 59,506
1944 6,383 1,776 8,159 163,549 63,592
1945 6,073 1,990 8,064 141,275 54,999
1946 6,845 2,171 9,016 151,633 60,456
1947 7,084 2,132 9,216 146,523 57,128
1948 5,460 2,685 8,145 150,545 57,080
1949 4,995 2,388 7,383 109,310 43,201
1950 4,787 2,495 7,283 116,554 44,426
1951 5,672 2,787 8,459 106,841 41,828
1952 6,201 2,369 8,571 95,784 40,595
1953 5,543 2,064 7,607 69,275 30,518
1954 7,407 2,664 10,071 50,223 28,933
1955 7,827 2,423 10,250 45,995 28,948
1956 6,691 2,818 9,508 50,220 32,216
1957 6,906 2,420 9,326 44,311 25,530
1958 5,413 2,303 7,716 35,471 21,260
1959 9,601 2,081 11,682 29,371 20,496
1960 8,588 1,897 10,485 24,452 18,938
1961 5,084 2,618 7,702 22,424 17,507
1962 7,544 1,877 9,421 20,680 17,133
1963 9,122 3,245 12,367 21,048 18,344
1964 7,070 2,580 9,650 20,368 17,487
1965 2,931 2,004 4,936 16,375 14,909
1966 2,633 1,844 4,477 13,672 12,905
1967 4,369 1,142 5,511 12,359 12,262
1968 2,180 2,002 4,182 11,011 11,492
1969 7,744 1,347 9,090 10,073 10,251
1970 2,934 1,663 4,598 10,224 9,885
1971 3,221 691 3,912 9,315 8,727
1972 2,898 2,709 5,606 6,212 6,493
1973 992 1,698 2,690 6,046 6,467
1974 2,351 1,568 3,919 5,103 4,934
1975 2,426 1,782 4,208 4,947 5,123
1976 1,160 2,463 3,623 5,173 5,395
1977 12,725 4,569 17,295 5,186 5,270
NA Not available.
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