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'�.� �f ll'i� � :'�r /'.�vi:`-1� IV 3: �i� 13i' i'� - k <br /> l3,2Sh,armanSt,R7ni 215 <br /> 3�3 a66.35G' <br /> Fax 303 032-3106 F'VPDIM r, <br /> i <br /> Gav2rnDr I <br /> I <br /> Frd:R Ean:a. <br /> Division D,E4c;or <br /> I <br /> October 4, 1991 <br /> I+g. Diane Delaney <br /> Mid-Continent Resources i <br /> 201 Centennial Street, Suite 406, Drawer 122 <br /> Glenwood Springs, CO 81601 <br /> Re: Technical Revision 18, Coal Basin Mine (C-81-017) <br /> Dear Ms. Delaney: i <br /> The Division has completed its review of adequacy responses for TR- <br /> 18. Design changes that the Division feels need to be made in <br /> order to ensure stable spillways are summarized in the table in the <br /> attached memo from Joe Dudash. If Mid-Continent agrees to the <br /> design specs listed there, the Division can issue its proposed <br /> approval of the revision. As we discussed on the phone, there <br /> unresolved questions regarding how to install an emergency spillway <br /> in the concrete pond at the loadout. The Division proposes that <br /> changes to this pond be deleted from the revision at this time so <br /> that work may proceed on the other ponds. <br /> I <br /> Please contact me if you have any questions. <br /> Sincerely, <br /> Larry P. Routten <br /> senior Reclamation Specialist <br /> enclosure <br /> cc: Dan Matthews <br /> i <br /> M:\vjP51\LPR10491 TR-18 <br /> 10/91 I <br /> 53 <br />