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61
Gel sealants for the mitigation of spontaneous heatings in coal mines
“…United States. Bureau of Mines…”
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62
Water in fusion an effective and economical longwall dust control /
“…United States. Bureau of Mines…”
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Government Document Online Book -
63
The methane migration and storage characteristics of the Pittsburgh, Pocahontas no. 3, and Oklahoma Hartshorne coalbeds
“…United States. Bureau of Mines…”
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Government Document Online Book -
64
Two-phase flow in coalbeds
“…United States. Bureau of Mines…”
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Government Document Online Book -
65
Use of a sodium silicate gel grout for plugging horizontal methane-drainage holes
“…United States. Bureau of Mines…”
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Government Document Online Book -
66
Methane migration characteristics of the Pocahontas no. 3 coalbed
“…United States. Bureau of Mines…”
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Government Document Online Book -
67
Peak methane concentrations during coal mining an analysis /
“…United States. Bureau of Mines…”
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Government Document Online Book -
68
Using sulfur hexafluoride as a gaseous tracer to study ventilation systems in mines
“…United States. Bureau of Mines…”
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Government Document Online Book -
69
Use of Vacutainers for collection of mine atmosphere samples
“…United States. Bureau of Mines…”
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Government Document Online Book -
70
Use of surface joint and photolinear data for predicting subsurface coal cleat orientation
“…United States. Bureau of Mines…”
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Government Document Online Book -
71
Underground gob gas drainage during longwall mining
“…United States. Bureau of Mines…”
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Government Document Online Book -
72
Tracer gas as an aid in mine ventilation analysis
“…United States. Bureau of Mines…”
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Government Document Online Book -
73
Three coal mine gob degasification studies using surface foreholes and a bleeder system
“…United States. Bureau of Mines…”
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Government Document Online Book -
74
Simulation of methane flows in noncoal mines
“…United States. Bureau of Mines…”
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Government Document Online Book -
75
Selected geologic factors affecting mining of the Pittsburgh coalbed
“…United States. Bureau of Mines…”
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Government Document Online Book -
76
Rotary drilling holes in coalbeds for degasification
“…United States. Bureau of Mines…”
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77
Reducing hazards in underground coal mines through the recognition and delineation of coalbed discontinuities caused by ancient channel processes
“…United States. Bureau of Mines…”
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78
Remote fiber-optic methane monitor
“…United States. Bureau of Mines…”
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79
Probability of encountering coalbed discontinuities during vertical and horizontal borehole drilling
“…United States. Bureau of Mines…”
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Government Document Online Book -
80
Removing methane (degasification) from the Pittsburgh coalbed in northern West Virginia
“…United States. Bureau of Mines…”
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Government Document Online Book