PERMFILE139054

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 9/2/2004
• Doc Name: Hydrology South Area
• Section_Exhibit Name: Map 12
• Media Type: M
• Archive: Yes

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LEGEND HYDROLOGY
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PERMIT BOUNDARY
SECTION LINE
-- - -- - -- DRAINAGE BOUNDARY
•-------- • - - - -• TEMPORARY DRAINAGE DITCH
NOTE: For culvert, ditch, and pond
sizing see "Hydrology Information"
( EXHIBIT 7 )
W
E
• -' - -- PERMANENT POSTMINING DRAINAGE DITCH
PROPOSED /AS -BUILT
• A - TEMPORARY SMALL DEPRESSIONS
S
SEDIMENTATION PONDS
500' 0 500' 1000'
CONTOUR INTERVAL 25 FT.
FLIGHT DATE 10/02/00
O DRAINAGE NAME
N:\ CCC_ ENG\ Dwgs\ Environ \TRs_MRs\2002 \TR_56 \Mapl2.dwg, Plotted by Firestone
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Registered Professional Engineer in
the State Colorado, do hereby
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of
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SOUTH
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Colowyo Coal Company L.P.
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R 93 W
PROFESSIONAL ENGINEERS CERTIFICATION
SCALE: 1- =
500'
I, STEPHEN R. HINUMEYER, being a
/ Kennecott
DATE: 04/06/01
T
Registered Professional Engineer in
the State Colorado, do hereby
A �
En ergy
DRWG. BY: ANDY
APPROVED BY:
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of
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certify that this map has been
Colowyo Coal Company L.P.
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reviewed by me and is true and
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correct to the best of my knowledge
12
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and information relying on
South Area
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information supplied by experts
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No
REVISION
DATE
BY
H
,,t<,kgfdfj —ed in section 2.03.3 of the
Permit
oal Company L.P. 1997
�,�O�ift�S�v4?
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Small Depressions
3/4/99
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°N 25436 ;
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'' %p��'•.,• •••• HER i�. R�EMEXER
�''Oi �sr •••••• a
TR
49
Tayfor Tributary & hest Pit Fill
Ditch Revision
5/4/99
RF
SRH
P.E. No. 25436
nifl,N,p,�taao•0
20n?
TR
ocl
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Section 17 Mine Plan
4/10/01
RF
SRH
TR
Section 17 Mine Plan Revised
5/30/01
RF
SRH
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( Section /d Tutor Ditch , Toor Tributary Ditch k Resl Pit Bach adeaaed 1
TR
Reconfigured Rest Pit Ditch, Prospects Ditch,
10/08/02
CCS
SRH
56
Streeter Gulch Ditch, Gulch A Ditch, & Final East Pit Ditch