| Historical Data 1931 - 1977 Coal Mines |
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TABLE 2. - Injury experience, worktime, and production data
at all coal mines in the United States, 1931-77
Injuries
Year Nonfatal All Non- All
Fatal disabling disabling disabling injuries
1931 1,463 77,958 79,421 NA 79,421
1932 1,207 56,283 57,490 NA 57,490
1933 1,064 59,129 60,193 NA 60,193
1934 1,226 65,559 66,785 NA 66,785
1935 1,242 63,426 64,668 NA 64,668
1936 1,342 67,540 68,882 NA 68,882
1937 1,413 66,259 67,672 NA 67,672
1938 1,105 49,636 50,741 NA 50,741
1939 1,078 51,773 52,851 NA 52,851
1940 1,388 57,776 59,164 NA 59,164
1941 1,266 61,057 62,323 NA 62,323
1942 1,471 66,774 68,245 NA 68,245
1943 1,451 64,594 66,045 NA 66,045
1944 1,298 63,691 64,989 NA 64,989
1945 1,068 57,117 58,185 NA 58,185
1946 968 55,350 56,318 NA 56,318
1947 1,158 57,660 58,818 NA 58,818
1948 999 53,472 54,471 NA 54,471
1949 585 35,405 35,990 NA 35,990
1950 643 37,264 37,907 NA 37,907
1951 785 35,553 36,338 NA 36,338
1952 548 30,074 30,622 NA 30,622
1953 461 24,258 24,719 NA 24,719
1954 396 17,718 18,114 NA 18,114
1955 420 18,885 19,305 NA 19,305
1956 448 19,816 20,264 NA 20,264
1957 478 18,792 19,270 NA 19,270
1958 358 14,160 14,518 NA 14,518
1959 293 12,163 12,456 NA 12,456
1960 325 11,902 12,227 NA 12,227
1961 294 11,197 11,491 NA 11,491
1962 289 10,944 11,233 NA 11,233
1963 284 11,133 11,417 NA 11,417
1964 242 11,070 11,312 NA 11,312
1965 259 11,138 11,397 NA 11,397
1966 233 10,446 10,679 NA 10,679
1967 222 10,115 10,337 NA 10,337
1968 311 9,639 9,950 NA 9,950
1969 203 9,917 10,120 NA 10,120
1970 260 11,552 11,812 NA 11,812
1971 181 11,916 12,097 NA 12,097
1972 156 12,329 12,485 16,090 28,575
1973 132 11,220 11,352 14,491 25,843
1974 133 8,545 8,678 7,267 15,945
1975 155 11,107 11,262 9,641 20,903
1976 141 14,389 14,530 12,768 27,298
1977 139 14,989 15,128 10,067 25,195
NA Not available.
Frequency rates per
million man-hours
Year Nonfatal All Non- All
Fatal disabling disabling disabling injuries
1931 1.66 88.26 89.92 NA 89.92
1932 1.73 80.50 82.23 NA 82.23
1933 1.34 74.58 75.92 NA 75.92
1934 1.43 76.63 78.07 NA 78.07
1935 1.52 77.43 78.95 NA 78.95
1936 1.45 72.91 74.36 NA 74.36
1937 1.55 72.62 74.17 NA 74.17
1938 1.59 71.36 72.95 NA 72.95
1939 1.42 68.12 69.54 NA 69.54
1940 1.65 68.75 70.40 NA 70.40
1941 1.37 66.26 67.63 NA 67.63
1942 1.44 65.40 66.84 NA 66.84
1943 1.40 62.44 63.84 NA 63.84
1944 1.20 59.06 60.26 NA 60.26
1945 1.11 59.58 60.70 NA 60.70
1946 1.10 62.92 64.02 NA 64.02
1947 1.22 60.72 61.94 NA 61.94
1948 1.11 59.53 60.64 NA 60.64
1949 0.91 55.11 56.02 NA 56.02
1950 0.90 52.38 53.29 NA 53.29
1951 1.13 50.99 52.12 NA 52.12
1952 0.92 50.66 51.58 NA 51.58
1953 0.90 47.23 48.13 NA 48.13
1954 1.02 45.67 46.69 NA 46.69
1955 1.00 45.03 46.03 NA 46.03
1956 1.03 45.69 46.73 NA 46.73
1957 1.17 46.04 47.21 NA 47.21
1958 1.11 43.94 45.05 NA 45.05
1959 0.99 41.09 42.08 NA 42.08
1960 1.15 42.28 43.43 NA 43.43
1961 1.15 43.86 45.01 NA 45.01
1962 1.16 43.96 45.12 NA 45.12
1963 1.12 43.97 45.09 NA 45.09
1964 0.96 43.86 44.82 NA 44.82
1965 1.04 44.73 45.77 NA 45.77
1966 0.96 42.85 43.81 NA 43.81
1967 0.92 41.84 42.75 NA 42.75
1968 1.33 41.12 42.45 NA 42.45
1969 0.85 41.76 42.61 NA 42.61
1970 1.00 44.40 45.40 NA 45.40
1971 0.71 46.89 47.60 NA 47.60
1972 0.58 46.08 46.66 60.14 106.80
1973 0.48 40.41 40.89 52.20 93.09
1974 0.45 28.79 29.24 24.49 53.73
1975 0.42 30.17 30.59 26.18 56.77
1976 0.37 37.55 37.92 33.32 71.24
1977 0.36 38.37 38.73 25.77 64.50
NA Not available.
Severity rates per
million man-hours
Nonfatal All Man-hours Production
Year Fatal disabling disabling worked short tons
(thousands) (thousands)
1931 9,938 NA NA 883,286 441,751
1932 10,359 NA NA 699,125 359,565
1933 8,052 NA NA 792,847 383,172
1934 8,599 NA NA 855,487 416,536
1935 9,097 NA NA 819,143 424,632
1936 8,693 NA NA 926,305 491,139
1937 9,292 NA NA 912,435 498,793
1938 9,531 NA NA 695,599 395,697
1939 8,510 NA NA 760,039 447,977
1940 9,909 NA NA 840,416 512,808
1941 8,243 NA NA 921,536 569,884
1942 8,644 NA NA 1,021,078 640,021
1943 8,415 NA NA 1,034,541 652,977
1944 7,221 2,134 9,355 1,078,474 684,950
1945 6,685 2,422 9,107 958,591 631,523
1946 6,603 2,486 9,089 879,628 593,976
1947 7,317 2,603 9,920 949,539 685,162
1948 6,673 2,686 9,359 898,231 650,003
1949 5,463 3,087 8,551 642,476 478,920
1950 5,423 2,814 8,237 711,390 562,305
1951 6,755 3,049 9,804 697,247 574,960
1952 5,538 2,896 8,434 593,698 509,967
1953 5,386 2,598 7,983 513,594 486,404
1954 6,124 2,578 8,703 387,950 420,885
1955 6,009 2,401 8,409 419,379 491,468
1956 6,198 2,268 8,466 433,662 528,447
1957 7,026 2,221 9,247 408,207 514,706
1958 6,666 2,768 9,434 322,229 432,196
1959 5,939 2,409 8,348 296,031 432,574
1960 6,926 2,449 9,376 281,528 435,036
1961 6,910 2,686 9,596 255,296 420,729
1962 6,965 2,722 9,688 248,946 439,972
1963 6,730 2,398 9,128 253,185 478,629
1964 5,753 2,668 8,420 252,405 505,573
1965 6,241 2,718 8,960 248,988 527,993
1966 5,735 1,973 7,708 243,759 545,464
1967 5,509 2,190 7,699 241,774 560,764
1968 7,960 2,553 10,513 234,417 553,340
1969 5,129 2,230 7,359 237,484 569,182
1970 5,996 2,312 8,308 260,169 609,803
1971 4,273 1,140 5,413 254,135 562,720
1972 3,498 1,911 5,409 267,550 534,586
1973 2,853 1,960 4,813 277,622 557,949
1974 2,689 1,940 4,629 296,775 565,774
1975 2,526 1,778 4,304 368,197 611,130
1976 2,208 1,750 3,958 383,158 647,087
1977 2,135 2,923 5,058 390,620 670,684
NA Not available.
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