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<br />," <br /> <br />.. <br /> <br />~:':) <br />< ~ J <br /> <br />~ <br />~ <br />CJ <br /> <br /><'" <br /> <br />. PRELlMINARY_ <br />SUBJECT TO REVIS(lII!!I1N <br /> <br />JOHN MARTIN DAM AND RESERVOIR <br />SMALL HYDROPOWER ADDITION <br />RECONNAISSANCE REPORT <br /> <br />1. <br /> <br />Introduction. <br /> <br /> <br />G"npral. /' <br /> <br />A. <br /> <br />1. Interest in hydroelectric power production as an alternative <br /> <br /> <br />renewable energy resource has resulted in a need to evaluate. or in some <br /> <br /> <br />cases. reevaluate the potential for energy offered by existing federally-owned <br /> <br /> <br />and operated dams. This report describes an analysis of the potential 'that <br /> <br /> <br />exists at John Martin Dam and Reservoir to add a small hydroelectric <br /> <br /> <br />generating facility. <br /> <br />B. Allthorization./' <br /> <br />1. This study is authorized by Section 208 of the Flood Control Act <br />of 1965 approved October 27. 1965 (Public Law 89-298). <br /> <br />II. Description of Existing,Facilities. <br /> <br />A. <br /> <br />G"neral. <br /> <br />J <br /> <br />1. John Martin Dam and Reservoir is located on the Arkansas River in <br /> <br /> <br />Bent County. Colorado approximately 58 miles upstream from the Colorado-Kansas <br /> <br /> <br />stateline and about midway between the cities of Lamar and Las Animas. The <br /> <br /> <br />project was constructed to serve the purpose>of flood control and irrigation. <br /> <br /> <br />Official operation of the project began in March 1943. A list of pertinent <br /> <br />... <br />data is given in table 1. <br /> <br />B. llam.. <br /> <br />) <br /> <br />1. The main dam consists of a concrete gravity structure 1.644 feet <br /> <br /> <br />long and 120 feet high. and an earthfi11 structure 2.600 feet long. The <br /> <br />I <br />