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1
Sedimentary phosphate resource classification system of the U.S. Bureau of Mines and the U.S. Geological Survey /
“…United States. Bureau of Mines…”
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2
Mineral resources of the High Uintas primitive area, Utah : an evaluation of the mineral potential of the area /
“…United States. Bureau of Mines…”
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3
Statistical summary
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4
Translucent face partition reduces longwall workers' dust exposure
“…United States. Bureau of Mines…”
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5
Apparatus for sampling and measuring diesel tailpipe emissions
“…United States. Bureau of Mines…”
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6
Resin-grouted cables for enhanced coal mine roof support
“…United States. Bureau of Mines…”
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7
An "insulating" shotcrete for heat abatement in deep mines
“…United States. Bureau of Mines…”
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8
Total mill ventilation system for mineral processing facilities
“…United States. Bureau of Mines…”
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9
Remote reset systems for continuous mining machines used in extended cuts
“…United States. Bureau of Mines…”
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10
Improved dust control for surface coal mine drills with Rotoclone collectors
“…United States. Bureau of Mines…”
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11
Design practices for multiple-seam room-and-pillar mines
“…United States. Bureau of Mines…”
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12
Updated Analysis of Longwall Pillar Stability (ALPS) computer program incorporates new Coal Mine Roof Rating (CMRR)
“…United States. Bureau of Mines…”
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13
Dust collector discharge shroud reduces dust exposure to drill operators at surface coal mines
“…United States. Bureau of Mines…”
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Government Document Online Book -
14
Improving the performance of longwall gob gas ventholes
“…United States. Bureau of Mines…”
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15
Navigation and control of continuous mining systems for coal mining
“…United States. Bureau of Mines…”
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16
Work of the Safety Division, fiscal year 1942.
“…United States. Bureau of Mines. Safety Division…”
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17
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18
Minerals yearbook /
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19
Principles of the mineral resource classification system of the U.S. Bureau of Mines and U.S. Geological Survey.
“…United States. Bureau of Mines…”
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20
Principles of a resource/reserve classification for minerals /
“…United States. Bureau of Mines…”
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Government Document Online Book