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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />2892 <br /> <br />TABLE OF CONTENTS <br /> <br />CHAPTER I - INTRODUCTION <br /> <br />Authorization <br /> <br />Objectives of the Study <br />Program of Work <br />Staff . . . , . <br /> <br />Acknowledgements <br /> <br />CIUPTER II - REVIEW OF HYDROMETEOROLOGICAL STUDIES <br /> <br />Introduction <br />Previous Studies <br />Basin Description <br />The Design Storm <br />Probable Maximum Precipitation <br />Confidence Bands for PMP Estimates <br />The Narrows Damsite Design Storm and PMP <br />Storm Transposition <br />Transposition of the June 7 to 8, 1964 <br />Montana Storm . . , . , . . <br />Assessment of the Transposition <br />Moisture Maximization of the Transposed Storm <br />Qualitative Assessment of the PMP Level <br />Discussion ............... <br />Seasonal Transposition Considerations <br />Use of a Major Mountain Historical Storm <br />Conclusions . . . . . . . . . . <br /> <br />CHAPTER III - REVIEW OF PROBABLE MlcXlMUM FLOOD <br /> <br />Definitions . . . . . . . . . , . . . . . <br /> <br />Flood Volume - The Key to Spilll.ay Capacity <br /> <br /> <br />Components of Flood Volumes <br /> <br /> <br />Snowmelt Contributions <br /> <br /> <br />General Approach to Review of Computations of PE <br /> <br /> <br />Difference in PE due to Magnitude of Precipitation <br /> <br />i <br /> <br />Page <br />I-I <br /> <br />I-I <br /> <br />I-I <br /> <br />1-2 <br /> <br />1-2 <br /> <br />1-2 <br /> <br />II-I <br />II-I <br />II-I <br />II-I <br />II-3 <br />II-3 <br />II-3 <br />II-4 <br />II-4 <br /> <br />II-5 <br />II-6 <br />II-7 <br />II-9 <br />II-lO <br />II-lO <br />II-ll <br />II-14 <br /> <br />III-l <br />III-l <br />III-l <br />III-4 <br />1II-4 <br />III-6 <br />1II-7 <br />