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according to preliminary added by manufacturing aluminum scrap annual aplite areas billion in l977 bituminous coal Bureau of Mines capital expenditures Chesapeake Bay coal mine operators commission cost of materials Department of Conservation Dimension stone Division of Mineral duction earning a total ECONOMY OF VIRGINIA Excludes industrial sand Floyd Counties gypsum half of l978 Hampton Roads Energy industry shipments Interior kyanite l979 General Assembly Lead recoverable content Lime Louisa County midyear mineral production value mineral profiles Mineral Resources natural gas output and value percent in tonnage percent in value plant preliminary estimates Quadrangles role in U.S. sand and gravel short tons soapstone southwest Virginia Surface Mining talc terms of value throughout l978 tion tons valued total mineral production U.S. Department U.S. Highway U.S. output University of Virginia Uranium value added value in l978 value of industry VEPCO's Virginia Department workers were employed Zinc