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<br />PERMIT BOUNDARY
<br />SECTION LINE
<br />POSTMINING DRAINAGE BOUNDARY
<br />DO DRAINAGE NAME
<br />DISTURBED LANDS AS OF DEC. 2009
<br />TEMPORARY DRAINAGE DITCH
<br />PERMANENT POSTMINING DRAINAGE DITCH, CONSTRUCTED
<br />— PERMANENT POSTMINING DRAINAGE DITCH, FUTURE
<br />SMALL AREA EXEMPTIONS
<br />• K POSTMINE SMALL IMPOUNDMENTS
<br />SEDIMENTATION PONDS
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<br />Vol. 13 Exh. 7 20, .�
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<br />Note: For Culvert, Ditch, and pond sizing information,
<br />see "Hydrology Information ", Exhibit 7.
<br />Note: See Map 33 and 33A for Profiles of
<br />Permanent Channels
<br />Note: See Map 41 for Permanent Channel Locations
<br />and Drainage Boundaries on Postmining Surface.
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<br />SECTI See Vol 2E
<br />."�
<br />40
<br />I
<br />1,
<br />i
<br />S
<br />500' 0 500' 1000'
<br />CONTOUR INTERVAL 25 FT
<br />FLIGHT DATE OCT 2010
<br />R 93 W
<br />7300
<br />o
<br />_I
<br />ENGINEER'S CERTIFICATION
<br />1, THOMAS C. PETERSON, being a
<br />Licensed Professional Engineer in
<br />the State of Colorado, do hereby
<br />certify that this map has been
<br />reviewed by me and is true and
<br />correct to the best of my knowledge
<br />and information relying on work
<br />performed by others and based on
<br />information supplied by experts
<br />identified in section 2.03.3 of the
<br />Colowyo Coal Company L.P. Permit.
<br />nL A�i
<br />p
<br />��i
<br />'BPS TF9 : 0
<br />�•v:r° o:o�
<br />32257 '
<br />THOMAS C PETERSON
<br />P.E. No. 32257
<br />Z-A/1
<br />DATE
<br />i
<br />7'
<br />wwvw HYDROLOGY
<br />�I
<br />iA
<br />I
<br />rr, 1 b rata South Taylor Area
<br />UWAG ow Mhv
<br />SCALE: 1" = 500'
<br />• DATE. 6129110
<br />o DRWG. BY. TCP
<br />�..� Colowyo Coal Company APPROVED BY- KRR
<br />low 5731 State Highway 13
<br />• Meeker, Colorado 81641 DRWG NO.
<br />Poo 12A
<br />0
<br />No. REVISION DATE BY HK
<br />TR
<br />81
<br />Map 72A is a new map. Consolidated with map 12. 12106110 TCP KRB
<br />
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