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•- y • • III IIIIIIIII IIII III <br />damson <br />OIL CORPORA11ON <br />~..., •.-1.~ <br />i. -}~~- <br />. -_, <br />June 5, 1985 - ~~ ~._.~.~ ~~.,,,., . <br />Colorado Mined Land Reclamation <br />1313 ShP*~~*+ Street, Room 423 <br />Denver, Colorado 80203 <br />Attn: Mr. Tom Gillis <br />RE: Inspection Report <br />Fruita Mines Complex <br />C-015-81 <br />Mesa and Garfield Counties, Colorado <br />Dear Mr. Gillis: <br />We have received your inspection report dated May 21, 1985 of the Fruita <br />Mines. We appreciate the general comments noted in Section I of your <br />report and caould make the following responses to certain points issued <br />in that report. <br />1. Dorchester personnel have resealed all points of potential <br />entry into the Anchor mine. The conveyor opening has been <br />closed with welded iron bars and all other openings strengthened <br />with additional welding. This work was completed on May 25, 1985. <br />2. 3ased upon the description given in your general comments section, <br />it appears that the sediment control system is working as designed. <br />Drainage from the lower Anchor bench is directed to a drainage <br />channel and conveyed to the nearby sediment pond. The pond has <br />substantial capacity and is designed as one of two ponds which <br />collect all runoff from the entire disturbed area. There has <br />never been a discharge from either pond. In such a system, coal <br />fines will be naturally deposited in such channels leading to the <br />ponds. However, upon final reclamation and re-establishment of <br />the pre mining drainage patterns, these fines will be removed <br />prior to removal of the sediment ponds. <br />Given these circimtstances, we believe that intermediate sediment control <br />measures (filter and bern1) recommended in your report are not necessary. <br />Dorchester personnel will inspect the site to ensure that the syst~n is <br />operating properly and that undisturbed ground is not being impacted by <br />coal fines. <br />2410 Lincoln Center • 1660 Lincoln Street • Denver. Colorado 80264 • (303) 861-2582 <br />