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Mr. Kent Gorham <br />October 23, 1997 <br />Page 3 <br />In reference to the two maps 13A, we propose to leave the Drainage Basins Map dated 2/5/87 <br />as Map 13A and move the Sediment and Surface Water Control, Silo Area detailed drawing to <br />Exhibit l9 with the associated sedcad runs which were approved as TR-39. All of the <br />information on the Silo Area figure is currently on Map 13 and is not necessary to be displayed <br />as a separate mine map. Since our copy of the permit did not have the TR-39 information in it, <br />we have attached three copies of this material to be inserted into your copies of tfie document <br />if the information has not already been inserted. <br />The Table of Contents for maps has been updated to show the revision dates of all maps. <br />Picketwire also requests that the Division approve the use of flocculent at pond sites for emergency <br />discharge or for regular cleaning activities. This request has been made to the Department of Public <br />Health and Environment (see attached request) and should be incorporated into the NPDES permit <br />in the near future. Page 2.05-10a has been revised to indicate the situations when flocculent will <br />be used. <br />Should you have questions or need additional information concerning these materials, please do not <br />hesitate to let me know. <br />Sincerely, <br />~ ~ ~°~ <br />Jeny H. Koblitz <br />Principal <br />Attachments <br />cc Mr. Jim Cooper - Picketwire <br />