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~ ~ iii iiiiiii~iiiuiii <br />999 <br />,. .. <br />r <br />~' t <br />s <br />April 16. 1980 <br />Mr. &an Schlegel <br />Sunilover Energy Carp. <br />770 Grant Street #2 <br />Denver. Colorado 80203 <br />RE: Our Pils t76-6 <br />Dear !h'. Schlegel: <br />.;.t <br />'''.~,. <br />`~~-~ <br />+~' ~ ,- <br />-;:, ~~ <br />,r• ~~, <br />.. c . <br />4 <br />On Ape'il 8. 1980. an inspectied ws conducted o! t6s Blue Ribbm Mina. < <br />Present' m the iaspectim cars!;odd Gibsm. our. staff hydrologist, ISoda: <br />Walker. a raelsautim apecial~Cy and ~yulf lraw'the Divisim of 1ll0~ <br />Land Rsclasatim. Dan Rinehart'ilrom Ute Sagie~sriag and two r~ptlases~ivss <br />frao the Blw Ribbon Mica were also pssyat. 7ha aisia raasm for the <br />inspeatim was to look at ,the sedierat ,control systw m the ground and <br />sae agyr potential problaes with t1y design nai MSng worked wt by <br />Mr. Gibsm sad Mr. Raiisnhart. uhil nits ws alw conducted a monitoring <br />inspsctim of the overall mine site. Enolossd i• tLa iaspsctim report. <br />On the lut iaspeetim conducted by David pole sad yydelt, aelrsral issues <br />were raised in the report that htvo not byp dNlt with. Ditches were to <br />be kept clear of uatadal• and this has not+,tiasn dace. ,(- eampls of the <br />spring water se ehs bass of the bunch slope ws Go bs taken and analysed <br />and the Division his yet to receive it. Also ragwatsd ware aiaiog caleu- <br />lstims for the rnsrvoir. da plant sad specifications, and evidsnce that <br />the ditch from the bena~ to the resar was adsgwtsly siaad. Although <br />ttu last thru o! rheas are ear being worked oa by Daie 1{inshart. our <br />hydrologist had to raqusdt ths~ a secmd ties. If the sere say problsns <br />with ehs above ragwata. ws sha'ijld have been notilisd so as a new tiwfrsms <br />could be worked out. .' <br />Among the current problaes m the dt} fa the use of the raserroir as a <br />sediment pond. Siaos there i• snaugh for a popd at tlu foot of t!u <br />bench slops, ehs use bf the reservoir i~bard Creek is u e e able. <br />Cmssqusntly, a drainage sad papd design. s-cluding all culatipns for <br />siting of the paced and the ditches, the dewstsring devises (ismlmling an <br />emsrgegcy spillway) and the uu ~ a~ berms mwt be submitted. Also to <br />bs corrected is the rse o! [ha di~ m the outslops of the bench area. At <br />presort. it curves araurd the slope and the water which i• to bs collected <br />in it escapes end gas straight dwn the 6111. Although the hater ends up <br />in the same plats (ehs reservoir), it is gagsing arosim m the a~.tslopa. <br />This more be rsdasigwd. .=. <br />-.'. <br />r...:.. <br />\ .. <br />i~ ~'~ <br />r i -~ ~ ~. <br />i t.. .. :. . ~,.~ <br />