THE OKLAHOMA GEOLOGICAL SURVEY.
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Other Coal production not assigned to specific county (see Comments column). Total Mined Total coal production (in short tons). Surface Total Amount of coal mined by surface methods (in short tons). Surface Percent Percentage of coal mined by surface methods. Ave FOB Price per Ton Average Free On Board mine price of coal (this is the price paid for coal at the mining operation site, which includes freight or shipping and insurance costs). Sources of information: