UNITED STATES
DEPARTMENT OF LABOR
DEPARTMENT OF LABOR
| Historical Data 1931 - 1977 Pennsylvania Anthracite Mines in the United States |
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TABLE 10A. - Man-hours, by general work location, at Pennsylvania anthracite
mines in the United States, 1931-77
Underground mines Total
Year underground
Underground Surface mining
1931 159,685,407 44,891,989 204,577,396
1932 119,217,854 34,062,944 153,280,798
1933 115,472,728 33,590,136 149,062,864
1934 134,350,568 37,057,015 171,407,583
1935 114,754,502 31,833,067 146,587,569
1936 115,556,143 33,102,050 148,658,193
1937 101,567,961 27,774,391 129,342,352
1938 86,548,574 24,221,448 110,770,022
1939 91,365,686 26,244,223 117,609,909
1940 90,512,425 25,222,421 115,734,846
1941 95,789,822 27,318,651 123,108,473
1942 99,439,274 30,572,023 130,011,297
1943 105,258,931 34,005,493 139,264,424
1944 107,243,042 40,053,588 147,296,630
1945 92,252,695 36,186,679 128,439,374
1946 99,497,367 37,336,862 136,834,229
1947 97,424,631 34,730,557 132,155,188
1948 100,565,199 35,350,752 135,915,951
1949 72,432,875 26,128,886 98,561,761
1950 76,750,937 27,001,449 103,752,386
1951 68,666,920 26,318,752 94,985,672
1952 60,939,199 23,475,423 84,414,622
1953 41,445,701 18,589,392 60,035,093
1954 28,873,117 14,558,885 43,432,002
1955 26,952,904 12,202,202 39,155,106
1956 27,673,009 13,587,081 41,260,090
1957 23,915,335 6,763,428 30,678,763
1958 17,735,303 5,458,992 23,194,295
1959 13,959,293 4,566,555 18,525,848
1960 10,855,931 3,749,577 14,605,508
1961 9,267,435 3,700,796 12,968,231
1962 8,461,822 3,290,472 11,752,294
1963 8,425,591 3,154,260 11,579,851
1964 8,291,730 2,914,235 11,205,965
1965 6,443,993 2,489,882 8,933,875
1966 4,550,379 2,164,476 6,714,855
1967 3,555,616 1,861,096 5,416,712
1968 2,666,212 1,423,747 4,089,959
1969 2,304,477 961,956 3,266,433
1970 2,169,220 784,026 2,953,246
1971 1,564,502 514,770 2,079,272
1972 772,412 216,940 989,352
1973 752,549 186,864 939,413
1974 533,315 113,851 647,166
1975 666,075 112,773 778,848
1976 689,461 118,070 807,531
1977 563,294 102,180 665,474
NA Not available.
Total
Year Strip Culm Dredges surface Total
banks mining mining
1931 3,837,173 NA NA 3,837,173 208,414,569
1932 3,663,201 NA NA 3,663,201 156,943,999
1933 5,660,529 NA NA 5,660,529 154,723,393
1934 6,964,498 NA NA 6,964,498 178,372,081
1935 7,508,812 NA NA 7,508,812 154,096,381
1936 7,503,301 NA 324,430 7,827,731 156,485,924
1937 5,975,531 NA 536,068 6,511,599 135,853,951
1938 4,716,324 NA 365,941 5,082,265 115,852,287
1939 5,186,770 NA 414,564 5,601,334 123,211,243
1940 6,104,749 NA 607,720 6,712,469 122,447,315
1941 6,167,485 NA 831,447 6,998,932 130,107,405
1942 6,621,583 NA 927,114 7,548,697 137,559,994
1943 7,731,034 2,876,119 960,431 11,567,584 150,832,008
1944 10,481,739 4,689,976 1,080,742 16,252,457 163,549,087
1945 9,239,525 2,733,078 862,992 12,835,595 141,274,969
1946 10,771,050 3,131,884 896,087 14,799,021 151,633,250
1947 10,889,857 2,475,347 1,002,968 14,368,172 146,523,360
1948 11,523,771 2,222,329 882,937 14,629,037 150,544,988
1949 8,644,106 1,363,162 741,197 10,748,465 109,310,226
1950 11,240,415 1,213,308 347,573 12,801,296 116,553,682
1951 10,759,622 779,532 316,174 11,855,328 106,841,000
1952 10,441,235 607,513 320,875 11,369,623 95,784,245
1953 8,153,950 836,046 249,610 9,239,606 69,274,699
1954 6,062,054 539,309 189,631 6,790,994 50,222,996
1955 6,188,271 437,277 214,108 6,839,656 45,994,762
1956 7,420,579 1,253,678 285,279 8,959,536 50,219,626
1957 6,695,265 1,204,586 235,568 8,135,419 38,814,182
1958 6,074,662 801,573 251,890 7,128,125 30,322,420
1959 5,333,838 680,824 252,311 6,266,973 24,792,821
1960 4,767,847 651,652 217,417 5,636,916 20,242,424
1961 4,692,972 568,152 247,606 5,508,730 18,476,961
1962 4,440,797 494,578 230,906 5,166,281 16,918,575
1963 4,822,806 527,159 208,776 5,558,741 17,138,592
1964 4,776,258 552,552 216,377 5,545,187 16,751,152
1965 3,624,873 485,904 192,575 4,303,352 13,237,227
1966 3,333,266 497,564 170,421 4,001,251 10,716,106
1967 3,179,230 615,846 147,314 3,942,390 9,359,102
1968 3,261,788 621,598 143,653 4,027,039 8,116,998
1969 3,319,319 591,488 143,323 4,054,130 7,320,563
1970 3,610,152 680,998 147,409 4,438,559 7,391,805
1971 3,616,498 616,034 84,449 4,316,981 6,396,253
1972 2,640,181 301,932 45,774 2,987,887 3,977,239
1973 2,287,116 310,376 47,669 2,645,161 3,584,574
1974 2,050,650 268,567 494 2,319,711 2,966,877
1975 2,023,147 250,580 4,805 2,278,532 3,057,380
1976 2,121,292 303,637 12,085 2,437,014 3,244,545
1977 2,195,043 215,325 16,179 2,426,547 3,092,021
NA Not available.
Independent Mechanical
Year shops and cleaning Grand
yards plants total
1931 NA NA 208,414,569
1932 NA NA 156,943,999
1933 NA NA 154,723,393
1934 NA NA 178,372,081
1935 NA NA 154,096,381
1936 NA NA 156,485,924
1937 NA NA 135,853,951
1938 NA NA 115,852,287
1939 NA NA 123,211,243
1940 NA NA 122,447,315
1941 NA NA 130,107,405
1942 NA NA 137,559,994
1943 NA NA 150,832,008
1944 NA NA 163,549,087
1945 NA NA 141,274,969
1946 NA NA 151,633,250
1947 NA NA 146,523,360
1948 NA NA 150,544,988
1949 NA NA 109,310,226
1950 NA NA 116,553,682
1951 NA NA 106,841,000
1952 NA NA 95,784,245
1953 NA NA 69,274,699
1954 NA NA 50,222,996
1955 NA NA 45,994,762
1956 NA NA 50,219,626
1957 NA 5,497,087 44,311,269
1958 NA 5,148,589 35,471,009
1959 NA 4,578,486 29,371,307
1960 NA 4,209,958 24,452,382
1961 NA 3,947,324 22,424,285
1962 NA 3,761,187 20,679,762
1963 NA 3,909,641 21,048,233
1964 NA 3,616,545 20,367,697
1965 NA 3,138,132 16,375,359
1966 NA 2,955,760 13,671,866
1967 NA 3,000,191 12,359,293
1968 NA 2,894,241 11,011,239
1969 NA 2,751,967 10,072,530
1970 NA 2,832,005 10,223,810
1971 NA 2,918,940 9,315,193
1972 77,926 2,156,452 6,211,617
1973 292,258 2,169,208 6,046,040
1974 200,993 1,935,520 5,103,390
1975 157,793 1,731,421 4,946,594
1976 154,081 1,774,090 5,172,716
1977 143,652 1,950,788 5,186,461
NA Not available.
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