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aggregate Allatoona Dam bituminous coal Building Bulletin Bureau of Geology Bureau of Mines Cartersville cement chemical coal preparation plants coalbeds Cockeysville COKE Columbia Congaree River Corp Courtesy of National Cranberry crushed stone Dahlonega Delaware Department of Natural deposit Division of Mineral Elberton feldspar Florida Bureau gem stones Georgia gold mining GRANITE QUARRY INFORMATION WRITE Interstate Keowee kyanite limestone LIMESTONE QUARRIES lnterstate lron map location 12 Maryland miles north miles south mineral industry mineral operations mineral production Mineral Resources MINES AND PLANTS Mines Liaison Office mining and mineral natural gas Natural Resources North Carolina northeast open pit ovens P. O. Box peat pegmatite Pocohontas processing plant produced quarry Resources of South River road sand and gravel SELECTED REFERENCES Serpentinite side of U.S. SNMOI Spruce Pine stone quarries surface mines tion underground Virginia Division VISIT Federal Bureau visitor guide Washington West Virginia Willis Mountain WRITE OR VISIT