2001-12-11_PERMIT FILE - C1981010A ‎(4)‎

• Permit No: C1981010A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: A Review of Potential Alluvial Valley Floors & Possible Impacts
• Section_Exhibit Name: APPENDIX H Section 1
• Media Type: D
• Archive: Yes

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• 2.0 INTRODL'~CTTON
The purpose of this study was to determine if the Yampa
River gains or loses substantial flow in the vicinity of the area
known as Big Bottom near Craig, Colorado. The Utah International,
Inc. Trapper Mine is located in the Big Bottom Syncline ground-
water catchment basin. It is possible that a portion of the
ground water in this basin is discharged to the Yampa River in
the vicinity of Big Bottom. If su, contaminants from any future
wastes placed in r_he Trapper Mine that enter ground-caater sys-
tems could emerge with ground-water flow into the river and thus
have an effect on the water quality of the river. The reach of
interest was from the S.H. 13 bridge to the confluence of the
Yampa River and tdilliams cork, a distance o£ 4.6 river miles
(see Figure 2-1).
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