2010-10-07_PERMIT FILE - C1994082 ‎(2)‎

• Permit No: C1994082
• IBM Index Class Name: Permit File
• Doc Date: 10/7/2010
• Doc Name: YPM-9 to YPM-24, Dragline Deadhead Route Postmine Channel
• Section_Exhibit Name: Tab 13 Attachment 13-12 Appendix 13-12.3 Part 2
• Media Type: D
• Archive: No

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TR-37
YOAST MINE
Postmine Channel Designs -Channel YPM-11
HYDROLOGIC INPUT PARAMETERS
13-12.3-141
Revised 02/OS
Vegetation cover conditicns presented in Tab 10, Vegetation, Attachment 10-1, 1990/1992 Vegetation Baseline Report,
Yoast Study Area (ESCO Associates, 1993). Approved Yoast Mine curve numbers are presented in Attachment 13-12,
Pcsimining Drainage and Sediment Control ,Table 13-12.1. Values were adapted frcm Urban Hydrology for Small
Watersheds, Tecfinical Release No. 55, Sail Conservation Service, 1986.