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... The mining and oil industry now accounts for about 20 percent of total taxable
sales and purchases in the state (excluding sales of oil and gas ...
... Large Image. A much larger share of Bakken employment has been in
natural resources and mining than in other shale areas. ...
... In first quarter 2013, taxable sales and purchases in the mining and oil
extraction industry decreased 7.3 percent from a year earlier, compared with ...