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i • <br />Mr. Carl Mount <br />October 3, 1989 <br />Page 2 <br />The results of your inspection the week of September 25 <br />required that the culvert locations and calculations be <br />reexamined prior to submittal to assure an accurate <br />description of what is occurring at the mine. _, <br />In addition, as of October 2, 1989, the requir~d-abstement- <br />on culverts associated with NOV C-89-024 have been <br />replaced or installed. In particular, culvert 9a-48" pipe <br />which was collapsed has been replaced. Culvert 9a-30" <br />pipe has been unclogged. Dual culvert 19a (48" and 18") <br />have been replaced with a 60" culvert (see attached Table <br />12-6 and Appendix 12-2 design calculations). Culvert 34a <br />has been replaced with a 42" pipe (see attached Table 12-6 <br />and Appendix 12-2 design calculations). <br />As always, if you have any questions, please let us know. <br />Respectfully, <br />James 5. Lunan <br />Manager Permits <br />kjs <br />Attachments <br />