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.. .-- :::'l ", .- ~~- ...] w . . . JOB PROGRESS REPDR T State of Col.orado Project Number: 9-A Year 1959 Title of Project: Rehabilitation of Setchfield Lake Report Written By: Robert A. Jones Objectives: To rehabilitate Setchfield Lake with desirable species of warm water game fish. Techniques Used: Desirable species of warm water game and pan fishes are to be stocked in SetcCifield Lake. Rock shelters were created to provide shelter and nesting 2reas. Discussion: Setcbfield Lake located 20 miles south and west of. Las Animas, Colorado, was purchased by the Game and Fish Department from private individuals in the Fall of 1957. This irrigation impoundment, formerly known as Muddy Creek Reservoir, was completed in the early 1920's. The reservoir was used to irrigate homesteads to the north of the structure in Bent County. The company went broke, and the darn was only in partial use during the last few years. Considerable repairs were necessary to make the structure safe and to make the gates operational again. The lake in years past produced good fishing for several species of warm water fish. However, recently large numbers of rough fish, principally carp, were found in the drainage. The 75 sgu<,.re miles of water shed was checked and all of the standing water derrised to remove the rough fish. This will assu!:'e the lake and water sr.ed remain free of these undesirable species as the dam is so situated that these fish cannot migrate back into the lake frem below the dam. Therefore, there was no need to derris the lake basin proper as it was dry for several months. The dam proper was drained to facilitate repairs to the dam and the gates. The work on the dam was done during the early part of 1958 and the d2m was bspected and the gates closed on the 15th of June 1958. The water inflo'NS and los Ses will be found in Table 1.