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Historical Data 1931 - 1977
Metal Mines


TABLE 17. - Injury experience and worktime data at metal mines
            in the United States, 1931-77

                               Injuries

    Year             Nonfatal      All      Non-        All
             Fatal  disabling  disabling  disabling  injuries

    1931     147      7,868      8,015          NA     8,015  
    1932     100      4,486      4,586          NA     4,586  
    1933      87      5,180      5,267          NA     5,267  
    1934     108      7,105      7,213          NA     7,213  
    1935     157      9,393      9,550          NA     9,550  
    1936     195     13,606     13,801          NA    13,801  
    1937     206     17,068     17,274          NA    17,274  
    1938     150     11,996     12,146          NA    12,146  
    1939     163     12,991     13,154          NA    13,154  
    1940     209     13,940     14,149          NA    14,149  
    1941     213     14,590     14,803          NA    14,803  
    1942     215     12,420     12,635          NA    12,635  
    1943     195     11,533     11,728          NA    11,728  
    1944     130      8,894      9,024          NA     9,024  
    1945      96      6,922      7,018          NA     7,018  
    1946      90      7,345      7,435          NA     7,435  
    1947     126      8,293      8,419          NA     8,419  
    1948     104      7,631      7,735          NA     7,735  
    1949      69      6,940      7,009          NA     7,009  
    1950      84      6,611      6,695          NA     6,695  
    1951      95      6,824      6,919          NA     6,919  
    1952     117      6,684      6,801          NA     6,801  
    1953      92      6,164      6,256          NA     6,256  
    1954      86      4,994      5,080          NA     5,080  
    1955      79      5,837      5,916          NA     5,916  
    1956      89      5,475      5,564          NA     5,564  
    1957      71      4,554      4,625          NA     4,625  
    1958      70      3,499      3,569          NA     3,569  
    1959      73      3,281      3,354          NA     3,354  
    1960      84      3,794      3,878          NA     3,878  
    1961      50      3,669      3,719          NA     3,719  
    1962      61      3,263      3,324          NA     3,324  
    1963      41      3,075      3,116          NA     3,116  
    1964      55      3,266      3,321          NA     3,321  
    1965      58      3,292      3,350          NA     3,350  
    1966      75      3,435      3,510          NA     3,510  
    1967      66      2,881      2,947          NA     2,947  
    1968      57      2,836      2,893          NA     2,893  
    1969      62      3,111      3,173          NA     3,173  
    1970      57      3,521      3,578          NA     3,578  
    1971      47      3,214      3,261          NA     3,261  
    1972     130      2,766      2,896          NA     2,896  
    1973      47      3,100      3,147       1,870     5,017  
    1974      48      3,439      3,487       1,688     5,175  
    1975      39      2,964      3,003       1,424     4,427  
    1976      32      2,627      2,659       1,093     3,752  
    1977      44      2,456      2,500       2,267     4,767  

    NA  Not available. 

                            Frequency rates per
                              million man-hours

    Year              Nonfatal          All             Non-     All    
               Fatal  disabling       disabling     disabling  injuries

    1931        1.06    56.92           57.98          NA       57.98   
    1932        1.25    55.93           57.17          NA       57.17   
    1933        1.09    64.75           65.83          NA       65.83   
    1934        1.07    70.38           71.44          NA       71.44   
    1935        1.08    64.72           65.80          NA       65.80   
    1936        1.08    75.25           76.33          NA       76.33   
    1937         .94    77.93           78.87          NA       78.87   
    1938         .88    70.42           71.30          NA       71.30   
    1939         .86    68.53           69.39          NA       69.39   
    1940         .99    65.84           66.82          NA       66.82   
    1941         .92    63.31           64.23          NA       64.23   
    1942         .96    55.67           56.64          NA       56.64   
    1943         .95    55.92           56.87          NA       56.87   
    1944         .80    54.56           55.35          NA       55.35   
    1945         .68    48.99           49.67          NA       49.67   
    1946         .69    56.32           57.01          NA       57.01   
    1947         .80    52.81           53.62          NA       53.62   
    1948         .64    47.25           47.89          NA       47.89   
    1949         .48    48.07           48.55          NA       48.55   
    1950         .57    44.74           45.31          NA       45.31   
    1951         .60    42.81           43.40          NA       43.40   
    1952         .74    42.13           42.87          NA       42.87   
    1953         .59    39.36           39.95          NA       39.95   
    1954         .66    38.27           38.93          NA       38.93   
    1955         .58    42.62           43.20          NA       43.20   
    1956         .62    37.91           38.53          NA       38.53   
    1957         .50    32.03           32.53          NA       32.53   
    1958         .64    31.95           32.59          NA       32.59   
    1959         .73    32.62           33.35          NA       33.35   
    1960         .70    31.71           32.41          NA       32.41   
    1961         .46    34.07           34.54          NA       34.54   
    1962         .59    31.42           32.00          NA       32.00   
    1963         .42    31.66           32.09          NA       32.09   
    1964         .53    31.34           31.87          NA       31.87   
    1965         .52    29.32           29.84          NA       29.84   
    1966         .67    30.71           31.38          NA       31.38   
    1967         .69    30.08           30.76          NA       30.76   
    1968         .58    28.74           29.31          NA       29.31   
    1969         .60    29.92           30.52          NA       30.52   
    1970         .53    32.66           33.19          NA       33.19   
    1971         .46    31.35           31.81          NA       31.81   
    1972        1.37    29.15           30.52          NA       30.52   
    1973         .49    32.14           32.62       19.38       52.01   
    1974         .46    33.27           33.73       16.33       50.06   
    1975         .39    29.33           29.72       14.09       43.81   
    1976         .32    26.29           26.61       10.94       37.54   
    1977         .46    25.87           26.34       23.88       50.22   

    NA  Not available.


                             Severity rates per
                              million man-hours
                                                       Man-hours
                           Nonfatal      All              worked
Year               Fatal  disabling  disabling       (thousands)
                   
    1931            6,380     NA      NA               138,237
    1932            7,480     NA      NA                80,213
    1933            6,525     NA      NA                80,006
    1934            6,418     NA      NA               100,959
    1935            6,491     NA      NA               145,134
    1936            6,471     NA      NA               180,803
    1937            5,644     NA      NA               219,008
    1938            5,283     NA      NA               170,343
    1939            5,159     NA      NA               189,554
    1940            5,922     NA      NA               211,740
    1941            5,546     NA      NA               230,453
    1942            5,782     NA      NA               223,093
    1943            5,673     NA      NA               206,242
    1944            4,784     NA      NA               163,027
    1945            4,077     NA      NA               141,295
    1946            4,141     NA      NA               130,406
    1947            4,815     NA      NA               157,024
    1948            3,863     NA      NA               161,516
    1949            2,868     NA      NA               144,368
    1950            3,411     NA      NA               147,765
    1951            3,576     NA      NA               159,417
    1952            4,425     NA      NA               158,649
    1953            3,525     NA      NA               156,605
    1954            3,954     NA      NA               130,488
    1955            3,461     NA      NA               136,950
    1956            3,698    2,036   5,734             144,407
    1957            2,996    1,835   4,831             142,181
    1958            3,835    1,899   5,734             109,523
    1959            4,355    2,107   6,462             100,576
    1960            4,212    1,690   5,902             119,653
    1961            2,786    2,099   4,885             107,678
    1962            3,524    1,945   5,469             103,867
    1963            2,533    1,679   4,213              97,111
    1964            3,167    1,667   4,834             104,204
    1965            3,099    1,604   4,703             112,277
    1966            4,023    1,713   5,736             111,857
    1967            4,134    1,747   5,881              95,794
    1968            3,465    1,445   4,910              98,693
    1969            3,578    1,546   5,124             103,973
    1970            3,173    1,414   4,587             107,794
    1971            2,751    1,196   3,947             102,512
    1972            8,221    1,413   9,634              94,882
    1973            2,923    1,553   4,476              96,467
    1974            2,786    1,246   4,032             103,381
    1975            2,316    1,624   3,939             101,052
    1976            1,921    1,404   3,325              99,937
    1977            2,781    1,691   4,472              94,929

    NA  Not available.