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r ' ~ Item 13: Both temporary and permanent diversion ditches have been validated as <br />adequate to handle design flows. <br />The enclosed information should be placed in Volume 2C, Exhibit 7, Hydrology <br />Information, Item 15) Sediment Pond Remodel 1998. The Exhibit 7 Hydrology <br />Information and numbered permit pages, should replace the like pages found in the <br />permit. The Methodologies and Assumptions for Sedimentation Pond Evaluations <br />which includes all pages through the new SEDCAD run and map, should replace the <br />like pages on the SEDCAD run packages sent with the prior April 24, 1998 submittal. <br />The Emergency Spillway, Temporary and Permanent Channel Design Methodologies <br />and Assumptions should follow the complete SEDCAD run package with the associated <br />Maps 33 and 33A replacing the like maps in the permit. The final item in this section is <br />the CTL/Thompson Stability Evaluation. <br />Thank you for your attention in this matter, please call myself or Jim Kiger if questions <br />arise. <br />Sincerely, <br />c~N'f'J ~`'~~ <br />Juan Garcia <br />Sr Mining Engineer <br />enclosures <br />xc: S.R. Hinkemeyer (w/o encl.) <br />M.H. Gibson (w/o encl.) <br />J.A. Kiger (w/o encl.) <br />K. A. Wolf (w/o encl.) <br />Moffat County Clerk and Recorder <br />John Husband. BLM-LSRC <br />