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- Separation and recovery of metals from zinc-treated superalloy scrap
- Rotary drilling techniques used in the Beckley coalbed
- Field evaluation of three longwall pillar systems in a Kentucky coal mine
- Primary gas toxicities and smoke particle characteristics during combustion of mine ventilation ducts :development of a test parameter
- A simplex-method-based algorithm for determining the source location of microseismic events
- Effects of structural faults on ground control in selected coal mines in southwestern Virginia
- Well point dewatering of phosphatic clays
- Instrumentation and modeling of the north 140 section of Magmont Mine, Bixby, MO
- Basic parameters of conveyor belt cleaning
- Acid sulfation of alunite
- In situ measurements and preliminary design analysis for deep mine shafts in highly stressed rock
- Capillary wetting response of coal after exposure to ambient air atmosphere
- Performance of a novel bump control pillar extracting technique during room-and-pillar retreat coal mining
- Surface fracture development over longwall panels in south-central West Virginia
- Fire and explosion hazards of oil shale
- Fe-Ni-Cr alloys for coatings and electroforms
- Computer simulation of face ventilation to dilute high methane concentrations developed by blasting oil shale
- Respirable dust sources and controls on continuous auger mining sections
- Microseismic data analysis of failure occurrence in a deep, western U.S. coal mine :a case study
- Backfill properties of total tailings
- Pressure monitoring and observed effects of mining at the Oak Grove, AL, coalbed degasification pattern
- Calamity Hollow Mine Fire Project (in five parts).
- Structural uses and placement techniques for lightweight concrete in underground mining
- Effectiveness of organic binders for iron ore pelletization
- Primary gas toxicities and smoke particle characteristics during a two-stage combustion of mine conveyor belts :development of a test parameter
- Alumina recovery from copper dump leaching liquors using a supported liquid membrane
- Noise test report :handheld pneumatic rotary drill
- Mineral issues--1989 :competitiveness and regulation.
- Structural stability and oxidation resistance of substitute alloys with various Cr and Mn levels
- Supercritical CO₂ solubility of TiCl₄
- Two-leg longwall shield mechanics
- Foundation response to subsidence-induced ground movements :a case study
- Intercomparison of North American radon progeny measurement methods and equipment
- Tungsten and gold recovery from Alaskan scheelite-bearing ores
- Safety evaluations of longwall roof supports
- Analyses of natural gases, 1988
- Computer-assisted continuous coal mining system-research program overview
- Advanced guidelines for performance testing of two-legged longwall shields
- Bureau of Mines geotechnical centrifuge research--a review
- Practical considerations in longwall face and gate road support selection and utilization
- Mechanical and physical properties of particulate composites in the system titanium nitride-alumina-aluminum nitride
- Effect of energy and impact direction on coal fragmentation
- Respirable dust generation :comparison of continuous and conventional mining methods when excavating rock in coal mines
- Zero-surface-charge-controlled drilling for enhanced penetration and extended bit life
- Evaluation of high-pressure front-mounted water jets for frictional-ignition suppression
- Primary gas toxicities and smoke particle characteristics during combustion of mine brattices :development of a test parameter
- Evaluation of water-jet-assisted cutting capability on longwall shearers
- State mineral summaries.
- Crushed stone and sand and gravel production by state districts :1985-1986
- A review of water-jet-assisted rock cutting