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Coal preparation -- Periodicals.
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1
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Coal preparation -- Technological innovations.
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1
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1
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4
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1
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1908
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1
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1966
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1
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1
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1
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Coal reserves.
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1959
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1
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Coal -- Reserves -- Colorado -- Huerfano County.
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2
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Coal -- Reserves -- Colorado -- Las Animas County.
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2
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Coal -- Rhode Island -- Analysis. : Ashley, Geo. H.
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1915
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1
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Coal -- Sampling.
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1989
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1
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Coal -- San Juan Basin (N.M. and Colo.)
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3
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Coal shipping terminals -- Kentucky.
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1985
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1
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Coal shipping terminals -- Kentucky -- Directories.
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1985
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1
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Coal slurry pipelines -- Canada.
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1981
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1
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Coal slurry pipelines -- Government policy -- United States. : United States.
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1983
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1
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Coal slurry pipelines -- United States. : United States.
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1
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Coal -- Specifications -- United States. : Randall, Dwight T.
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1908
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1
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Coal -- Spectra. : Friedel, Robert A.
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1967
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1
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Coal Strike Colo., 1913-1914. : Donachy, Patrick L.
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1
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1
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1
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1
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Coal-tar.
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5
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1
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Coal-tar industry.
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2
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Coal-tar products.
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5
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Coal-tar products -- Analysis. : Dreeskamp, Herbert.
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1
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Coal-tar products -- Testing.
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2
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1
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Coal -- Technological innovations -- United States.
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1
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Coal -- Tennessee -- Campbell County.
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1953
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1
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Coal -- Tennessee -- Marion County.
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1953
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1
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Coal -- Testing.
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33
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Coal -- Texas.
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2
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Coal -- Thermal properties. : Usenbaev, K.
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1
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Coal trade -- Appalachian Region.
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1
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1986
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1
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Coal trade -- Australia -- Newcastle Region (N.S.W.) -- History -- 19th century. : Turner, J. W
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1
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Coal trade -- Belgium -- Liège -- History. : Gaier, Claude.
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1988
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1
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1
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1
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Coal trade -- New Mexico.
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1
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1986
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1
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