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AppalachiaPlace
Underground mining systems suitable for coal seams expoitable in the year 2000 are examined with particular relevance to the resources of Central Appalachia. Requirements for such systems may be summarized as follows: (1) production cost; (2)miner safety; (3) miner health; (4) environmental impact; and (5) coal conservation. No significant trade offs between production cost and other performance indices were found
Geologically significant coal resources were identified. Statistically controlled tonnage estimates ...
Qualitative and quantitative evaluation methods for coal extraction systems were developed. The anal...
Factors are identified which must be considered in meeting the requirements of a transportation syst...
Conceptual design requirements are presented for underground coal mining systems having substantiall...
Health requirements were developed as long range goals for future advanced coal extraction systems w...
During this period effort was devoted to: formulation of system performance goals in the areas of pr...
Geologic characteristics of coal resources which may impact new extraction technologies are identifi...
A contemporary underground coal mine in eastern Kentucky was assessed in order to determine potentia...
Resource targets appropriate for federal sponsorship of research and development of advanced undergr...
The cost of mining coal using a room pillar mining method with continuous miner and a longwall minin...
Results from the initial effort to establish baseline economic performance comparators for a program...
The borehole hydraulic coal mining system accesses the coal seam through a hole drilled in the overb...
A methodology is presented for predicting coal prices in regional markets for the target time frames...
The Coal Mining Industry has evolved from the days of Land mining into a highly mechanised process b...
The Advanced Coal Extraction Project is sponsored by the Department of Energy at the Jet Propulsion ...
Geologically significant coal resources were identified. Statistically controlled tonnage estimates ...
Qualitative and quantitative evaluation methods for coal extraction systems were developed. The anal...
Factors are identified which must be considered in meeting the requirements of a transportation syst...
Conceptual design requirements are presented for underground coal mining systems having substantiall...
Health requirements were developed as long range goals for future advanced coal extraction systems w...
During this period effort was devoted to: formulation of system performance goals in the areas of pr...
Geologic characteristics of coal resources which may impact new extraction technologies are identifi...
A contemporary underground coal mine in eastern Kentucky was assessed in order to determine potentia...
Resource targets appropriate for federal sponsorship of research and development of advanced undergr...
The cost of mining coal using a room pillar mining method with continuous miner and a longwall minin...
Results from the initial effort to establish baseline economic performance comparators for a program...
The borehole hydraulic coal mining system accesses the coal seam through a hole drilled in the overb...
A methodology is presented for predicting coal prices in regional markets for the target time frames...
The Coal Mining Industry has evolved from the days of Land mining into a highly mechanised process b...
The Advanced Coal Extraction Project is sponsored by the Department of Energy at the Jet Propulsion ...
Geologically significant coal resources were identified. Statistically controlled tonnage estimates ...
Qualitative and quantitative evaluation methods for coal extraction systems were developed. The anal...
Factors are identified which must be considered in meeting the requirements of a transportation syst...
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