PERMFILE50275

• Permit No: C1981044
• IBM Index Class Name: Permit File
• Doc Name: RESULTS TO DRAINAGE TO DITCH 5-D3
• Media Type: D
• Archive: No

• --- Cyprus Cumberland Coal Co.
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** JUNCTION 1 , BRANCH 1 , STRUCTURE 1 **
** NULL STRUCTURE **
** DITCH 9D-15 **
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* SUBWATERSHED INFORMATION *•
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* HYDRAULIC INPUT VALUES
* *
* WATER AREA CURVE TC TT ROUTING COEF~S UNIT HYDRO
* SHED (acre) NUMBER (hr) (hr) K-(hr) X RESPONSE
* 1 6.91 88.00 0.160- 0.000 0.000 0.000 FAST
* _ *
COMPUTED VALUES FOR INDIVIDUAL WATERSHEDS
*
* PEAK FLOW RUNOFF *
* WATERSHED (cfs) (inches)
* 1 8.081 1.212
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Exhibit 18 Revised 12/8/89
-240-