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Coal.
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46
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Coal -- Alaska.
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7
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Coal -- Alaska -- Beluga-Yentna region. : Barnes, Farrell F.
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Coal -- Alaska -- Bering River. : Barnes, Farrell F.
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Coal -- Alaska -- Jarvis Creek region. : Wahrhaftig, Clyde,
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Coal -- Alaska -- Little Susitna District. : Barnes, Farrell F.
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Coal -- Alaska -- Utukok-Corwin region. : Chapman, Robert Mills,
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Coal -- Analysis.
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32
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Coal -- Arkansas.
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3
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Coal ash. : Selvig, W. A.
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Coal -- Bibliography.
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3
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Coal -- British Columbia.
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1952
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1
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Coal Canyon Petrology Wyoming : Gulbrandsen, Robert A.
|
1960
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1
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Coal Canyon Wilderness Mines And Mineral Resources Utah : Dickerson, Robert P.
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Coal Canyon Wilderness (Utah) : Dickerson, Robert P.
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Coal -- Carbonization.
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10
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Coal -- Chile. : Toenges, Albert L.
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Coal -- Colorado.
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2
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Coal -- Colorado -- Analysis. : Dyni, John R.
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Coal -- Colorado -- Gunnison County.
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Coal -- Colorado -- Huerfano County. : Johnson, Ross B.,
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1
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Coal -- Colorado -- Las Animas County. : Wood, Gordon H.
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1
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Coal -- Colorado -- Moffat County. : Hancock, E. T.
|
1925
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1
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Coal -- Colorado -- Routt County. : Campbell, Marius R.
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1
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Coal -- Combustion.
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3
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Coal -- Composition -- Congresses.
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Coal -- Congresses.
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2
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1
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Coal -- Drying. : Cudworth, James R.
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1
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Coal -- Environmental aspects -- Colorado -- Yampa River watershed.
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1981
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1
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Coal -- Environmental aspects -- Little Snake River Watershed (Colo. and Wyo.)
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1
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Coal-fired furnaces -- Fuel -- Testing. : Randall, Dwight T.
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Coal-fired power plants. : Ray, Walter T.
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Coal-fired power plants -- Environmental aspects -- Congresses. : Symposium on Integrated Environmental Controls for Coal-Fired Power Plants
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Coal-fired power plants -- Environmental aspects -- Potomac River. : Vannote, Robin L.
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Coal -- Fruitland Formation (Col. and N.M.) : Roberts, Laura N. Robinson,
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Coal gasification.
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