User's Manual for Premining Planning of Eastern Surface Coal Mining: Surface mine engineering
Industrial Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1980 - Coal mines and mining
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Selected Forecasts of Total U S Energy Consumption in 1985 and 2000
By Method of Mining
151 other sections not shown
ANFO angle application area mining backfilling bench blasting blasting caps block cut bucket bucket-wheel excavator Bulldozer calculated capacity CM CM CM coal mining coal seam contour mining costs cycle deposit depth detonating cord detonation diameter dozer dragline drainage drilling dump energy environmental equipment exploration programs factor factor of safety Figure fragmentation front-end loaders geologic grade Grim and Hill haulage haulback haulroad highwall hole increased land land reclamation layers loading shovel machine maps material meter Mining Engineering mining of coal mountaintop removal multiple-seam Number open-pit mining outcrop outslope overburden overburden removal percent planning production reclamation rH CM rH H rH rH rH road rock scraper sliding slope stability soil specific spoil stress stripping ratio stripping shovel surface coal mining surface mining TABLE techniques thickness tion topsoil trucks usually valley fill weight wheel