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<br />1'If .. . ')" <br />. J ..ti <br /> <br />B~NJA.M~:~ F. STA.PLETON <br />Chi': =111, DeIlV<< <br />FIlHDERi.":K. V. DOBOER <br />, VIce-ChaitnwI, Oututo <br />H. G. BERTHBLSON <br />RID BluIco <br />CLAJ.BNCB E. BURR <br />...- <br />QUINCY C. CORNELIUS <br />Hooper <br /> <br />21 ,AI <br /> <br />~- <br /> <br />.. <br /> <br />~//i- <br />~.(./, <br /> <br />FELIX L. SPARKS <br />Direclor <br /> <br />CURECANTI UNIT <br />COLORADO RIVER STORAGE <br /> <br />LAREN D. MORRILL <br />Deputy DIl'eClgr <br /> <br />LEE B. FOP.D <br />MOlltrole <br /> <br />JOHN A. LOVE <br />Governor <br /> <br />------ ---- ----- <br />~ r,~;1'1~~ __.'~:' SlCU <br />OfFICI.......l f:!L;' r.O':": <br />AUG 23 1971 <br /> <br />- J~~G <br />~E ,,{.s:: <br />r- <br />\-- -' <br />. -~ - ~ Telephone <br />~. ___ ---- ,--" 303-892-3441 <br />. , <br />';---- - - .--1-- <br />.t ,'_ '.:~~-~~.'~=i_._-~ <br />;.~.:~ <:"".\p. <br />! 0._ ....,.~'d <br /> <br />~h1'V <br /> <br />, \.c <br /> <br />DEPARTMEtolT OF tolATURAL RESOURCES <br /> <br />HUGH B. PICXRBL <br />Rock, Foni <br /> <br />HERBERT H. VANDBMOBR <br />StulJq <br /> <br />RICHARD B. WILLIAMS <br />Gr1.Dd Jllacdol1 <br /> <br />COLORADO WATER CONSERVATION BOARD <br /> <br />102 COLUMBINE BUILDING 1845 SHERMA.N STREET <br />DEtolVER, COLORADO 80203 <br /> <br />August 19, 1971 <br /> <br />Director, <br />Bureau of <br />P. O. Box <br />Salt Lake <br /> <br />Region 4 <br />Reclamation <br />11568 <br />City, Utah <br /> <br />c. ~ . <br /> <br />L:. e . \.........,-j,..,..~ <br />I'.t, (. ..',. <br /> <br />84111 <br /> <br />Dear Sir: <br /> <br />Pursuant to your r quest, we ~ave reviewed the Draft <br />Environmental Statement for Crystal Dam~d Powerplant, Curecanti <br />Unit, Colorado River Storage rOJect, Colorado, dated July 30, <br />1971. The draft which we have reviewed is based upon the construc- <br />tion of a thin-arch concrete structure at the Crystal site in <br />lieu of the earth fill structure previously planned. <br /> <br />Since the structure previously planned would have <br />required the stripping of much of the canyon area in the vicinity <br />of the crystal site for fill purposes, we consider that the plan <br />now proposed is vastly superior from an environmental viewpoint. <br />While there will be a loss of trout habitat in the reservoir <br />area itself, this is an area which is virtually inaccessible except <br />through hazardous boat travel. As a trout fishery therefore the <br />area is used only infrequently. <br /> <br />The greater part of the canyon area below the proposed <br />dam has never constituted a fishery of any significance. As <br />your report points out, the river on occasion is virtually dry <br />immediately below the Gunnison Tunnel. However, that part of the <br />Curecanti project already constructed contributes to substantial <br />flow of water in the lower reaches at a temperature which is <br />compatible with a trout fishery. As a result, there has been a <br />major improvement in the trout fishery for a stretch of the river <br />over thirty miles below the proposed crystal Dam. <br /> <br />,~-; ."" "/ <br />(. ~ U {J <br />