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Some coal was mined in this area under lease from the Indians before it became a state. Table 75 shows all production figures available. [ ]

Jan 1, 1942

Jan 1, 1911

Jan 1, 1910

Jan 1, 1913

Jan 1, 1949

Jan 1, 1937

Jan 1, 1936

Jan 1, 1920

Jan 1, 1935

Jan 1, 1947

[ ]

Jan 1, 1907

Jan 1, 1939

[ ]

Jan 1, 1907

Jan 1, 1944

The only real data available begin in 1873. The total figures are all estimated from these. [ ]

Jan 1, 1942

Little coal has been produced in this county, the totals being estimated from the meager data. [ ]

Jan 1, 1942

Jan 1, 1922

Jan 1, 1931