How Interior Should Handle Congressionally Authorized Federal Coal Lease Exchange: Report to the Congress

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U.S. General Accounting Office, 1981 - 56 pages

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Page x - Logical mining unit (LMU) means an area of land in which the recoverable coal reserves can be developed in an efficient, economical, and orderly manner as a unit with due regard to conservation of recoverable coal reserves and other resources.
Page x - Coal for which estimates of the rank, quality, and quantity have been computed, within a margin of error of less than 20 percent, from sample analyses and measurements from closely spaced and geologically well-known sample sites.
Page x - A logical mining unit is an area of land in which the coal resources can be developed in an efficient, economical, and orderly manner as a unit with due regard to conservation of coal reserves and other resources.
Page x - Material for which estimates of the quality and quantity have been computed partly from sample analyses and measurements and partly from reasonable geologic projections.
Page ix - 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.
Page ix - Identified resources — Specific bodies of mineral-bearing material whose location, quality, and quantity are known from geologic evidence supported by engineering measurements with respect to the demonstrated category.
Page 1 - ... to the Senate Committee on Energy and Natural Resources and the House Committee on Interior and Insular Affairs for a 60-day waiting period prior to award.
Page 5 - A Shortfall in Leasing Coal from Federal Lands: What Effect on National Energy Goals (Washington, DC: GAO, Aug.
Page 14 - ... outstanding lease. However, if the proposed exchange tract is of interest to more than one competitive lease bidder — eg, if it is of sufficient size to be mined independently of other coal properties or in conjunction with other coal properties held by two or more potential bidders — it might be desirable to offer the tract for longterm competitive leasing to permit all interested parties to bid, thus promoting competition.
Page ix - Demonstrated Reserve Base: A collective term for the sum of coal in both measured and indicated resource categories of reliability which represents 100 percent of the coal in these categories in place as of a certain date. Includes beds of bituminous coal and anthracite 28 inches or more thick and beds of subbituminous coal 60 inches or more thick that occur at depths to 1 thousand feet. Includes...

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