Mine sampling and chemical analyses of coals tested at the United States Fuel-Testing Plant, Norfolk, Va. in 1907
The USGS tested coal from the Pocahontas and New River coalfields, West Virginia/Virginia (used by Atlantic seaboard industrial plants, the U.S. Navy and the merchant marine), to determine the best methods of using it economically.
"The USGS tested coal from the Pocahontas and New River coalfields, West Virginia/Virginia (used by Atlantic seaboard industrial plants, the U.S. Navy and the merchant marine), to determine the best methods of using it economically."@en
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