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v' <br />Area, ul' subirrigation along Fish Creek can be determined from [he detailed soil mapping unit holes <br />described in Exhibit 15, Typical Pedon Descriptions. and i[ I6. Soil Mapping unit descriptions. Backhoe <br />• pill excavated along Fish Creel~yhich encountered water and the depth to water are: <br />2 - Outlet Portion 46"; <br />Slocum Portion 60"; <br />3 - Unnamed Portion 68",'~ <br />' Abel Variant Portion 8S"; <br />SA - Absher fine sandy loam 40-60"; and <br />SEA - Tonks loam 12". <br />Afl other excavated holes had no water so it is safe to assume that soils covered by these mapping units <br />(Map i 7, Preminiitg Soils), contairi sufficient amounts of water to allow for subirrigation. <br />Areas that could potentially be Flood irrigated are depicted on Map IS, Alluvial Valley Floors and Water <br />Rights. As can be observed from this map, the irrigation feasibility study conducted along Foidel Creek in <br />connection with Permit 79-177 and from the Foidel Creek Mine Findings document, there is insufficient <br />water flow in Foidel Creek to allow for flood irrigation. <br />Along Fislt Creek, six decreed water diversions have been granted including the Soutlt side, Koll, Mager, <br />Rawlinson, Corliss and Boettler Ditches. Of these six ditches, the South side, Koll and Mager ditches are <br />not being used and records from the Colorado Division of Water Resources Office indicates that they have <br />not been active since at least 1954. No known usage or information exists on the Rawlinson Ditch and <br />according to Truman Manes, the District Water Engineer, they can no[ locate any evidence of this ditch <br />and feel that it probably has been abandoned. The Boettler and Corliss Ditches are in current use. Thus, <br />of six decreed water rights, only two are currently utilized. TCC believes tltarsiitce-t1t2 ova e~ rights in <br />• these areas are junior and potentially subject to call, Ute possibility of new development of lands in a basin <br />where current water rights exceed the amount of available water are extremely unlikely. Since current <br />demand utilizes only two of six ditches, TCC feels that historic trends are the best prediction of future <br />irrigation demands. <br />At the contftuettce of Foidel Creek and Middle Creek, the alluvial valley floor characteristics have been <br />thoroughly studied in both the Energy Mine No. 3 and Fish Creek Tipple Permits. The extent of <br />alluvium and areas of subirrigation are addressed in these documents. Since the detailed information <br />presented in these applications has been repeatedly deemed insufficient, a further discussion of these areas <br />is presented in the crop soil tolerance study presented below. <br />TCC conducted a reevaluation of the potential Flood irrigation considerations for the areas along Foidel <br />Creek. As shown on Map I5, Alluvial Valley Floors and Water Rights, no irrigation diversions occur <br />along Foidel Creek. The waters diverted to Flood irrigated lands in this area originate From [he Leiske <br />Ditch and Connell Ditch on Trout Creek. The Foidel Creek Mine Findings Document states on page 18 <br />that waters used to flood irrigate this area is also diverted from Foidel Creek. The Energy Mine No. 3 <br />Findings Document reports on page 16 that waters diverted from Foidel Creek is used to irrigate the flood <br />plains located at the confluence of Foidel Creek and Middle Creek. These assessments are inaccurate. No <br />waters from Foidel Creek are diverted [o irrigate these areas. Since the Foidel Creek Mine Findings <br />Document for permit C-056-82 concludes on page 14 that the potential alluvial valley door areas will not <br />be affected by the proposed Foidel Creek b1ine, TCC concurs with this findin~~ and believes that this issue <br />"need not be considered further." <br />• {d) Aanlication contents for operations affectim~ alluvial vallev floors. <br />fvlR97-I>1 ?.OG-l0 Rcviscd I'_/09/~~ <br />