| 
       Ohio County Historical Production Figures  | 
  
| 
       YEAR  | 
    SURFACE | UNDERGROUND | 
       TOTAL  | 
  
| 1926 | 20,000 | 1,073,740 | 1,093,740 | 
| 1927 | 22,368 | 1,444,275 | 1,466,643 | 
| 1943 | 93,064 | 326,232 | 419,296 | 
| 1944 | 365,029 | 441,025 | 806,054 | 
| 1945 | 265,588 | 539,377 | 804,965 | 
| 1946 | 344,589 | 404,438 | 749,027 | 
| 1947 | 705,718 | 524,342 | 1,230,060 | 
| 1948 | 1,618,597 | 317,845 | 1,936,442 | 
| 1949 | 2,257,438 | 502,114 | 2,759,552 | 
| 1950 | 1,959,954 | 269,629 | 2,229,583 | 
| 1951 | 2,059,961 | 153,149 | 2,213,110 | 
| 1952 | 1,383,654 | 247,879 | 1,631,533 | 
| 1953 | 1,261,999 | 75,414 | 1,337,413 | 
| 1954 | 1,584,974 | 65,305 | 1,650,279 | 
| 1955 | 2,136,937 | 44,481 | 2,181,418 | 
| 1956 | 2,787,850 | 25,076 | 2,812,926 | 
| 1957 | 3,051,211 | 19,584 | 3,070,795 | 
| 1958 | 2,879,483 | 68,113 | 2,947,596 | 
| 1959 | 3,161,108 | 132,043 | 3,293,151 | 
| 1960 | 3,015,291 | 201,523 | 3,216,814 | 
| 1961 | 3,066,850 | 277,045 | 3,343,895 | 
| 1962 | 2,923,286 | 315,010 | 3,238,296 | 
| 1963 | 3,033,813 | 364,850 | 3,398,663 | 
| 1964 | 4,402,993 | 376,373 | 4,779,366 | 
| 1965 | 5,026,977 | 675,278 | 5,702,255 | 
| 1966 | 4,760,604 | 1,027,611 | 5,788,215 | 
| 1967 | 5,337,818 | 1,126,255 | 6,464,073 | 
| 1968 | 5,013,526 | 1,564,595 | 6,578,121 | 
| 1969 | 4,490,495 | 1,922,048 | 6,412,543 | 
| 1970 | 5,172,139 | 2,073,450 | 7,245,589 | 
| 1971 | 4,441,522 | 1,431,623 | 5,873,145 | 
| 1972 | 4,899,514 | 1,535,807 | 6,435,321 | 
| 1973 | 5,299,194 | 2,225,572 | 7,524,766 | 
| 1974 | 5,029,679 | 2,980,343 | 8,010,022 | 
| 1975 | 6,265,955 | 3,386,741 | 9,652,696 | 
| 1976 | 6,177,605 | 3,183,190 | 9,360,795 | 
| 1977 | 7,118,080 | 2,822,428 | 9,940,508 | 
| 1978 | 5,918,926 | 2,324,029 | 8,242,955 | 
| 1979 | 6,925,813 | 2,864,699 | 9,790,512 | 
| 1980 | 5,555,152 | 1,451,056 | 7,006,208 | 
| 1981 | 4,219,411 | 1,116,454 | 5,335,865 | 
| 1982 | 4,874,284 | 1,146,680 | 6,020,964 | 
| 1983 | 4,139,658 | 1,334,905 | 5,474,563 | 
| 1984 | 5,872,186 | 292,093 | 6,164,279 | 
| 1985 | 4,583,326 | - | 4,583,326 | 
| 1986 | 2,517,659 | - | 2,517,659 | 
| 1987 | 2,251,931 | - | 2,251,931 | 
| 1988 | 2,281,903 | - | 2,281,903 | 
| 1989 | 1,595,185 | 114,278 | 1,709,463 | 
| 1990 | 2,291,504 | 390,835 | 2,682,339 | 
| 1991 | 2,200,778 | 478,203 | 2,678,981 | 
| 1992 | 2,547,160 | 436,116 | 2,983,276 | 
| 1993 | 2,043,038 | 308,107 | 2,351,145 | 
| 1994 | 3,540,122 | 283,666 | 3,823,788 | 
| 1995 | 3,004,826 | 209,062 | 3,213,888 | 
| 1996 | 2,512,633 | 19,948 | 2,532,581 | 
| 1997 | 1,630,253 | - | 1,630,253 | 
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| *NOTE: Source: |