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TABLE OF CONTENTS (CONTINUED) <br />Page <br />Critical Reach Concept 42- <br />Representative Reach Concept 14,3 <br />Establishment of Study Areas y $ <br />s I <br />Site. Imposed Limitations to Hydraulic Simulation <br />complex Channels <br />Channel Stability 54 <br />DATA REQUIREMENTS AND SPECIFICATIONS 6 Z. <br />Stationing (02. <br />Headstake Elevations & i <br />Water Surface Elevation 63 <br />Bed El evati ons (03 <br />Discharge Measurement b 5 <br />Velocity Distribution 4.S <br />Sequencing Study Area Setup and Data Collection 440 <br />Guidelines for Efficient Data Collection 47 <br />REFERENCES ?65 <br />APPENDICIES <br /> 71 <br />A. Surveying Techniques <br /> <br />Use of the Level ?S <br />Leveling Ir3 <br />Measuring Distances <br />Locating, Relocating Benchmarks, or Headstakes 11 <br />Suggested Reading 491, <br />B. Velocity, Depth, Discharge. Measurements 9 1 <br /> I <br />Equipment <br />Velocity Measurements g 5 <br />Discharge Calculations g 6 <br />C. Field Techniques for Large Rivers <br />Maintaining Position ! ?p <br />Measuring Distances ?0 5 <br />Sounding /014 <br />