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National Institute for Occupational Safety and Health National Institute for Occupational Safety and Health
National Institute for Occupational Safety and Health

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    Alumina recovery from copper dump leaching liquors using a supported liquid membrane
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    Experimental drift linings in a block-caving operation : a field demonstration
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    A strong acid-weak acid method for producing aluminum chloride hexahydrate from kaolinitic clay
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    Longwall gate road stability in a steeply pitching thick coal seam with a weak roof
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    Statistics-based Safety - Part 1: An Analysis of the Crushed Stone Injuries Occurring During a 10-year Span Provides Insight Into Improving Safety
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    An investigation of crack propagation with a wedge indenter to improve rock fragmentation efficiency
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    Recovery of cobalt from spent copper leach solutions : improved elution and impurity removal techniques, with revised process economics
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    Testing modified coal-cutting bit designs for reduced energy, dust, and incendivity
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    A photographic method for determining mineral reflectances in underground mines
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    Bending fatigue test 1 on a 2-inch 6x25 fiber core wire rope
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    Methane absorption in oil shale and its potential mine hazard
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    Updated analysis of longwall pillar stability (ALPS) computer program incorporates new coal mine roof rating (CMRR)
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    High-temperature relative enthalpies of V₂0₅
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    Computer modeling of dust and forces for longwall mining systems
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    Calamity Hollow Mine Fire Project (in five parts): 2. Operation of the burnout control system
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    Protective structures for low-coal shuttle car operator
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    Longwall retreat of gate road pillars
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