Taxes can be on coal.Logical formLearned from13 sentences. A replacement can be for coal.Logical formLearned from13 sentences. (Surface coal mining operations) may be conducted.Logical formLearned from13 sentences. (Coal exploration operations) may disturb a (land surface).Logical formLearned from13 sentences. A locality may pertain-to a (surface coal mining operation).Logical formLearned from13 sentences. Coal may undergo a definition.Logical formLearned from13 sentences. (Surface coal mining) can be on lands.Logical formLearned from13 sentences. A coal can be in place.Logical formLearned from13 sentences. Some percent may be derived from coal.Logical formLearned from13 sentences. Town may face a (coal mine).Logical formLearned from13 sentences. Coal may be shipped.Logical formLearned from13 sentences. A consumer can be constituted-of-or-filled-with coal.Logical formLearned from13 sentences. Gases may be made from coal.Logical formLearned from13 sentences. Electricity may come from coal.Logical formLearned from13 sentences. A coal can be deep-mined.Logical formLearned from13 sentences.