COAL GEOLOGY & EXPLORATION 1988 Vol. 16 No. 5

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Sedimentary Constituent and Environmental Interpretation of Tidal Flat-Tidal Channel Facies in Late Permia Coal-Bearing Formation, West of Guizhou Province

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1988, 16(5): 2-11.

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The TonStein in Coal Seam C₂₅ of Upper-Permian, Southern Sichuan Province

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1988, 16(5): 12-15.

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Discovery and ito Signilicance of the Embryonic Coal-Ball in Luoci Basin

1988, 16(5): 19-20.

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Identification of Geological-Age on the Jurassic Coal-Bearing Strata in Northern Zhangjiakou Region

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1988, 16(5): 21-22.

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Characteristic and Exploration Method of the Spotaneous Igintion Area in Shenmu-Fugu Coalfield, Northern Shaanxi Province

1988, 16(5): 28-32.

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Premining Engineering-Geological Investigations for the Longwall

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1988, 16(5): 37-42.

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Some Problems about Outburst of Water in Floor

1988, 16(5): 45-50.

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Mechanism and its Application of Reflected Wave of Coal-Seams

1988, 16(5): 49-56.

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Application of PGS to Coalfield Drilling

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1988, 16(5): 61-63.

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Discussion on Matrix Hardness of Impregnated Bit

1988, 16(5): 64-67.

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