A technical crew at North American’s Falkirk Mining Co. uses a fast-flying drone to conduct three-dimensional surveys to help plan for coal mining and reclamation. It’s the first surface mine in the country to take advantage of the relatively new technology. (LAUREN DONOVAN, TRIBUNE) BISMARCK—A North Dakota coal mine is the first surface mine in the country to use a drone to conduct land surveys that can cover 500 acres […]
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