| Historical Data 1931 - 1977 All Coal Mines in the United States |
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TABLE 8. - Nonfatal disabling injury-severity rates per million man-hours, by
general work location, at all coal mines in the United States,
1931-77
Underground mines Total
Year underground
Underground Surface mining
1931 NA NA NA
1932 NA NA NA
1933 NA NA NA
1934 NA NA NA
1935 NA NA NA
1936 NA NA NA
1937 NA NA NA
1938 NA NA NA
1939 NA NA NA
1940 NA NA NA
1941 NA NA NA
1942 NA NA NA
1943 NA NA NA
1944 2,340 1,631 2,213
1945 2,781 1,323 2,512
1946 2,888 1,345 2,601
1947 2,965 1,650 2,728
1948 3,148 1,552 2,855
1949 3,665 1,590 3,277
1950 3,194 1,901 2,951
1951 3,569 1,579 3,196
1952 3,427 1,730 3,105
1953 3,110 1,341 2,767
1954 3,116 1,361 2,755
1955 2,782 1,687 2,562
1956 2,756 1,072 2,415
1957 2,624 1,504 2,410
1958 3,470 1,354 3,051
1959 3,024 1,427 2,698
1960 3,008 1,334 2,666
1961 3,430 1,574 3,046
1962 3,373 1,617 3,010
1963 2,960 1,694 2,700
1964 3,496 1,259 3,056
1965 3,434 1,633 3,086
1966 2,379 1,505 2,254
1967 2,619 1,344 2,449
1968 3,315 1,169 3,048
1969 2,916 1,282 2,731
1970 2,988 1,610 2,842
1971 1,541 799 1,459
1972 2,423 1,766 2,363
1973 2,409 995 2,282
1974 2,413 1,405 2,318
1975 2,351 1,283 2,244
1976 2,307 1,283 2,206
1977 4,051 2,729 3,912
NA Not available.
Total
Year Strip Auger Culm Dredges surface Total
banks mining mining
1931 NA NA NA NA NA NA
1932 NA NA NA NA NA NA
1933 NA NA NA NA NA NA
1934 NA NA NA NA NA NA
1935 NA NA NA NA NA NA
1936 NA NA NA NA NA NA
1937 NA NA NA NA NA NA
1938 NA NA NA NA NA NA
1939 NA NA NA NA NA NA
1940 NA NA NA NA NA NA
1941 NA NA NA NA NA NA
1942 NA NA NA NA NA NA
1943 NA NA NA NA NA NA
1944 1,063 NA 533 429 1,019 2,134
1945 1,301 NA 1,737 396 1,307 2,422
1946 1,251 NA 687 299 1,215 2,486
1947 1,301 NA 373 231 1,259 2,603
1948 1,088 NA 727 163 1,069 2,686
1949 1,381 NA 735 774 1,361 3,087
1950 1,624 NA 571 245 1,600 2,814
1951 1,686 NA 1,081 174 1,672 3,049
1952 1,088 NA 807 1,487 1,088 2,896
1953 1,214 NA 525 365 1,199 2,598
1954 1,310 NA 267 411 1,295 2,578
1955 1,280 509 412 47 1,245 2,401
1956 1,309 656 3,705 182 1,325 2,268
1957 1,143 1,288 1,471 314 1,153 2,236
1958 1,546 1,168 206 24 1,502 2,801
1959 1,087 737 552 20 1,060 2,420
1960 1,498 1,727 1,220 198 1,499 2,460
1961 1,173 667 5,720 36 1,202 2,711
1962 1,660 1,066 920 113 1,615 2,744
1963 987 4,872 1,216 819 1,211 2,408
1964 963 2,459 570 46 1,031 2,662
1965 1,265 1,568 681 145 1,269 2,730
1966 1,258 830 161 88 1,214 2,045
1967 1,179 601 794 136 1,136 2,179
1968 1,003 603 1,340 - 978 2,607
1969 935 1,192 198 - 940 2,339
1970 922 1,065 499 - 924 2,389
1971 441 378 380 - 436 1,184
1972 879 746 720 - 873 2,026
1973 1,250 4,532 754 - 1,342 2,056
1974 1,249 4,225 401 - 1,321 2,037
1975 936 594 1,323 - 933 1,855
1976 824 1,013 959 - 827 1,788
1977 1,353 2,123 1,237 - 1,359 3,036
NA Not available.
Independent Mechanical
Year shops and cleaning Grand
yards plants total
1931 NA NA NA
1932 NA NA NA
1933 NA NA NA
1934 NA NA NA
1935 NA NA NA
1936 NA NA NA
1937 NA NA NA
1938 NA NA NA
1939 NA NA NA
1940 NA NA NA
1941 NA NA NA
1942 NA NA NA
1943 NA NA NA
1944 NA NA 2,134
1945 NA NA 2,422
1946 NA NA 2,486
1947 NA NA 2,603
1948 NA NA 2,686
1949 NA NA 3,087
1950 NA NA 2,814
1951 NA NA 3,049
1952 NA NA 2,896
1953 NA NA 2,598
1954 NA NA 2,578
1955 NA NA 2,401
1956 NA NA 2,268
1957 NA 1,146 2,221
1958 NA 749 2,768
1959 NA 1,714 2,409
1960 NA 1,753 2,449
1961 NA 1,116 2,686
1962 NA 1,318 2,722
1963 NA 1,748 2,398
1964 NA 3,032 2,668
1965 NA 1,802 2,718
1966 NA 1,111 1,973
1967 NA 2,319 2,190
1968 NA 1,934 2,553
1969 NA 911 2,230
1970 NA 1,348 2,312
1971 NA 548 1,140
1972 558 842 1,911
1973 392 1,311 1,960
1974 567 1,200 1,940
1975 759 1,132 1,778
1976 1,139 1,441 1,750
1977 1,136 2,082 2,923
NA Not available.
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