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<br /> <br />.1 <br /> <br />.' , <br />. <br /> <br />. <br /> <br />. <br /> <br />UNITED STATES <br />DEPARTMENT OF THE INTERIOR <br />FISH AND WILDLIFE SERVICE <br />BUREAU OF SPORT FISHERIES AND WILDLIFE <br />POST OFFICE BOX 1306 <br />ALBUQUERQUE, NEW MEXI CO 87103 <br /> <br />September 10, 1969 <br /> <br />~;n' <br />r: /'? a. <br />TJL, <br />LL'5 <br />Jh <br /> <br />In reply refer to: RB <br /> <br />Memorandum <br /> <br />To: Regional Director, Bureau of Reclamation, Region 5, <br />Amarillo, Texas 79105 <br /> <br />From: Regional Di rector_..------. - <br /> <br />Subject: Closed Basin Division, San Luis Valley Project, Colorado-- <br />Bureau of Sport Fisheries and Wildlife report <br /> <br />Response is to your memorandum of September 3, 1968, in which you <br />requested the updating of our Bureau's prior reports on this proj- <br />ect for use in the preparation of your revised feasibility report. <br />This memorandum supersedes previous reports of the Bureau of Sport <br />Fisheries and Wildlife dated December 9, 1960, and supplements <br />dated June 24, 1963, and May 20, 1968. <br /> <br />This report has been prepared in cooperation with the Colorado <br />Division of Game, Fish and Parks and the New Mexico Department of <br />Game and Fish in accordance with the provisions of the Fish and <br />Wildlife Coordination Act. (48 Stat. 401, as amended; 16 U.S.C. 661 <br />et seq.). Concurrence in the report by the Colorado Division of <br />Game, Fish and Parks is indicated by the enclosed copy of a letter <br />dated AVgust 28, 1969, signed by Director Harry R. Woodward. ,fuls <br />report also has received concurrence of the New Mexico Department <br />of Game and Fish as indicated in the attached letter dated July 11, <br />1969, signed by Ladd S. Gordon, Director. <br /> <br />The Closed Basin, a 2,940-square-mile area located north of Monte <br />Vista and Alamosa, is in the northern portion of the San Luis <br />Valley of south-central Colorado. The valley ranges in elevation <br />from about 7,500 to 8,000 feet above mean sea level. The Closed <br />Basin is a sump into which several creeks and Rio Grande irriga- <br />tion diversions drain. The San Juan Mountains on the west and <br />the Sangre de Cristo Mountains on the east merge to form the north- <br />ern boundary of the basin. A low alluvial divide at the southern <br />