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acreage acres alluvial valley floors approved mine plans capacity coal mining coal regions coal reserves Colorado companies costs currently development potential diligent development duction Electric Energy environmental eral estimates existing leases FCLAA Federal coal leases Federal coal production Federal lands Federal leases Federal mines Federal reserves forecasts Fort Union impact increase Kaiparowits Plateau lease and PRLA lease blocks lease reserves lessee lignite longwall longwall mining meet diligence ment Mexico million tons mines with Federal Montana non-Federal North Dakota Office of Technology OTA’s pending mine plans percent Powder River basin production from Federal production goals projected proposed rail Raton Mesa reclamation recoverable reserves regulations requirements royalty San Juan San Juan River SMCRA southern Wyoming sulfur Surface Mining synfuels Table task force Technology Assessment tion tons of recoverable transportation Uinta underground mining undeveloped leases Utah utilities West Western coal
Seite 264 - ... to conserve the scenery and the natural and historic objects and the wildlife therein and to provide for the enjoyment of the same in such manner and by such means as will leave them unimpaired for the enjoyment of future generations.
Seite 315 - Government shall — (A) utilize a systematic, interdisciplinary approach which will insure the integrated use of the natural and social sciences and the environmental design arts in planning and in decisionmaking which may have an impact on man's environment...
Seite 315 - The Congress authorizes and directs that, to the fullest extent possible: (1) the policies, regulations, and public laws of the United States shall be interpreted and administered in accordance with the policies set forth in this Act...
Seite 295 - ... minimize the disturbances to the prevailing hydrologic balance at the mine-site and in associated off site areas and to the quality and quantity of water in surface and ground water systems both during and after surface coal mining operations and during reclamation...
Seite 467 - Unit (Btu) is the quantity of heat required to raise the temperature of 1 Ib. of water 1° F.; or the heat required to raise 1 Ib.
Seite 258 - Where minerals have been found and the evidence is of such a character that a person of ordinary prudence would be justified in the further expenditure of his labor and means, with a reasonable prospect of success, in developing a valuable mine, the requirements of the statute have been met.
Seite 295 - ... to the extent possible using the best technology currently available, additional contributions of suspended solids to streamflow or runoff outside the permit area (but in no event shall such contributions be in excess of requirements set by applicable State or Federal law...
Seite 469 - States and administered by the Secretary of the Interior through the Bureau of Land Management...
Seite 70 - This classification does not include a few coals which have unusual physical and chemical properties and which come within the limits of fixed carbon or BTU of the high-volatile bituminous and sub-bituminous ranks. All of these coals either contain less than 48...