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Colowyo Coal Company
<br />Colowyo Mine Loeical Mining Unit Modification
<br />The Mineral Leasing Act of February 25, 1920, as amended by the Federal Coal Leasing
<br />Amendments Act of 1976, authorizes the consolidation of coal leases into a logical mining
<br />unit (LMU). An LMU is an area of land in which the coal resources can be developed in an
<br />efficient, economical, and orderly manner as a unit with due regard to conservation of coal
<br />resources and other resources.
<br />As a result of an application for an LMU modification filed by Colowyo Coal Company to
<br />add federal coal lease C-29226, the Colowyo Mine LMU modification is approved effective
<br />March 28, 1993. The effective date of the LMU remains April 1, 1992. The modification
<br />changes the land description to include federal coal lease C-29226, notes the approval date of
<br />the amended resource recovery and protection plan (R2P2), changes the continued operations
<br />production requirement, and provides as follows:
<br />1. UNIT AREA: The area described as follows, containing 13,299.78 acres, including
<br />seven federal coal leases, is hereby designated the LMU area.
<br />LANDS IN MODIFIED COLOWYO MINE LMU
<br />FEDERAL
<br />COAL
<br />LEASES ACREAGE LEGAL DESCRIPTION
<br />D-034365 2,544.79 T. 3 N
<br />sec. 2:
<br />sec. 3:
<br />sec. 4:
<br />sec. 9:
<br />sec. 10:
<br />R. 93 W.. 6TH PM
<br />lots I0, 13, 22, 23, SWYzNW'/a, SW'fi;
<br />S'fzN'fz, SYz;
<br />Lots 1, 2, 3, S'kNE'/., SE'/.NW'/, NE'/aSW'!z, SE'/a,
<br />S'hSW'4;
<br />all;
<br />all;
<br />C-0123475 2,08!.57 T_4 N.. R. 93 W.. 6th PM
<br />sec. 29: SW'/~;
<br />sec. 30: lots 1 to 4, inclusive, E'fiW'k, SE'/s;
<br />T. 4 N. R. 94 W.. 6th PM
<br />sec. 24: lot 9, SW'kSW'k, E'hSW'/.;
<br />sec. 25: lots I, 3, 5, 7, 13, N'/z;
<br />sec. 35: lots 2, 3, 6, W'kE'h, W'k, SE'kSE'~;
<br />___ sec. 36: lots 1, ]0, 11, 14, I6, 18, S'kS'fi. "
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