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<br />~. <br /> <br />NA U Sand Bar Studies <br /> <br />Final Report <br /> <br /> <br />EXPLANATION <br /> <br />PaMa Riffle <br />Fan-Eddy Complex <br /> <br />i, <br /> <br />-85- <br /> <br />Topo~raphJc contour, elevations releted to <br />Arizona State Plane Coordinate System. <br />Interval 2 m. <br /> <br />.. <br />> <br />,; <br /> <br />Location of computational boundaries <br /> <br />Location of cross sections <br /> <br />. <br /> <br />Direction of main flow <br /> <br />A 09383100 <br /> <br />USGS streamflow-gaging station. Number <br />Is station identifier <br /> <br />Eddy 2 <br /> <br />Segment 1 <br /> <br />45 Field study site-number is in rivar miles <br /> <br />o <br /> <br />250 500 m <br /> <br />o3Il <br /> <br />~ <br />N <br />~ <br /> <br />;"~ <br /> <br />Segment 2 <br /> <br />, <br />~l <br />:'li <br />~~ <br />" <br />~'i/ <br /> <br />370 <br /> <br />1120 <br /> <br />o <br /> <br /> <br />". <br />(: <br />." <br />~, <br />, <br /> <br />;..'; <br /> <br />Segment 3 <br /> <br />".'; <br /> <br />., <br /> <br />30' <br /> <br />, . <br />'it <br />::. <br /> <br />Cathedral Wash <br />Fan-Eddy Complex <br /> <br />9 <br />o <br />, <br /> <br />10 km <br />, <br /> <br />~ <br />; <br /> <br />~;.-... <br /> <br />:l <br /> <br />Eddy 3 <br /> <br />1Smi <br />, <br /> <br />360 <br /> <br />Figure 1, Map of the Marble Canyon portion of the Colorado River ecosystem and location of the 3- <br />km study reach, The topographic channel map was surveyed on August 10, 1997, Flow in main <br />channel is from top to bottom. The locations of USGS streamflow-gaging stations discussed in the text <br />are shown, Study site reference numbers use river mile location, The location of selected USGS and <br />NAU cross-sections and volume computational boundaries are shown, <br /> <br />7 <br />