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<br />~ <br />~. <br />" <br /> <br /> <br />~ <br /> <br />LIST OF FIGURES <br /> <br />Fiaure <br /> <br />1. Upper Colorado River Basin <br /> <br />2. Upper 53 'miles of the San Juan River, Utah; Butler Wash <br />to Four-Corners . <br /> <br />Page <br /> <br />2 <br /> <br />4 <br /> <br />3. Lower 82 miles of the San Juan River, Utah; Butler Wash to <br />Piute Farms Marina, San Juan Arm of Lake Powell. <br /> <br />6 <br /> <br />4. Mean monthly flow of the San Juan River, U.S.G.S._..Bluff, <br />Utah gaging station, during pre-Navajo Dam conditions <br />(1929-60), during post-Navajo Dam conditions (1965-86) <br />and during 1987 and 1988 <br /> <br />5. Comparison of 1987 and 1988 electrofishing catch rates <br />(fish/mile) of channel catfish in the San Juan River, <br />Utah. 1988 catch rates are the mean of 3 electrofishing <br />runs. Five-mile reaches are designated by reach codes, <br />numbered consecutively upstream. See Appendix A for <br />fish per hour. NOTE: vertical scale (fish/mile) is <br />different than next two figures as a result of extremely <br />low catch rates . <br /> <br />11 <br /> <br />15 <br /> <br />6. Comparison of 1987 and 1988 electrofishing catch rates <br />(fish/mile) of carp in the San Juan River, Utah. 1988 <br />catch rates are the mean of 3 electrofishing runs. Five- <br />miles reaches are designated by reach codes, numbered <br />consecutively upstream. See Appendix A for fish per <br />hour <br /> <br />16 <br /> <br />7. Comparison of 1987 and 1988 electrofishing catch rates <br />(fish/mile) of combined suckers in the San Juan River, <br />Utah. 1988 catch rates are the mean of 3 electrofishing <br />runs. Five-mile reaches are designated by reach codes, <br />numbered consecutively upstream. See Appendix A for fish <br />per hour <br /> <br />18 <br /> <br />8. Trammel netting catch rates (fish/net-hr) for the upper <br />'canyon reach (RMI 80.3-66.2) and lower canyon reach (RMI <br />55.9-23.1) of the Sa~ Juan River Utah 1988 for both 75 ft <br />and 50 ft nets <br /> <br />9. Daily flow of the San Juan River, U.S.G.S. Bluff, Utah <br />gaging station during July, August and early <br />September 1988. Flow fluctuations in the lower canyon <br />during August and September were considerable greater <br />as a result of flooding washes below the gaging station . <br /> <br />22 <br /> <br />23 <br /> <br />in <br />