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FLOOD00872
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Last modified
11/23/2009 1:21:22 PM
Creation date
10/4/2006 9:33:08 PM
Metadata
Fields
Template:
Floodplain Documents
County
Boulder
Community
Longmont, Boulder County
Stream Name
Lefthand Creek
Title
Floodplain Information Report
Date
12/1/1981
Prepared For
Boulder County
Prepared By
UDFCD
Contract/PO #
&&
Floodplain - Doc Type
Floodplain Report/Masterplan
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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 />TABLE OF CONTENTS <br /> <br />PREFACE . . . . . <br /> <br />INTRODUCTION .. <br />Authorization . . <br />Purpose and Scope <br />Acknowledgements. <br /> <br />Related Flood Studies <br />Maps and Surveys <br /> <br />STUDY AREA DESCRIPTION . . . . . <br />Drainage Basin Characteristics <br />Study Reach Description <br /> <br />HISTORY OF FLOODING <br /> <br />. . . <br /> <br />HYDROLOGIC AND HYDRAULIC DETERMINATIONS <br />Flood Characteristics <br />Hydrologic Analysis . . . . . <br />Hydraulic Analysis ........ <br /> <br />INTERPRETATIONS AND USE OF REPORT DATA <br />Flood Frequency and Discharge <br />Flooded Areas . . <br />Flood Elevations <br />Flood Insurance <br /> <br />GLOSSARY. <br />BIBLIOGRAPHY <br /> <br />TABLES <br /> <br />Table <br /> <br />Title <br /> <br />. <br /> <br />Page <br /> <br />1 <br /> <br />1 <br />1 <br />2 <br />2 <br /> <br />2 <br />2 <br /> <br />3 <br />3 <br />3 <br /> <br />4 <br /> <br />5 <br />5 <br />5 <br />7 <br /> <br />8 <br />8 <br />8 <br />9 <br />9 <br /> <br />22 <br /> <br />24 <br /> <br />1 <br />2 <br /> <br />Drainage Areas <br /> <br />Ra i nfa 11 Depths for l-Hour Storm <br />Duration at Various Frequencies - Lefthand Creek <br />Rainfall Depths for 3-Hour Storm <br />Duration at Various Freque~cies - Lefthand Creek <br />Rainfall Depths for 6-Hour Storm <br />Duration at Various Frequencies - Lefthand Creek <br /> <br />3 <br /> <br />4 <br /> <br />5 Rainfall Depths for l-Hour Storm <br />Duration at Various Frequencies - James Creek <br /> <br />6 Lefthand Creek Stream Gaging Stations <br /> <br />7 Flood Frequency - Discharge and Elevation Data <br /> <br />8 Contra 1 Marker Data <br /> <br />9 Federal Emergency Management Agency <br />National Flood Insurance Program Summary <br /> <br />PLATES <br /> <br />Title <br /> <br />Basin Map <br /> <br />Index Map <br />Flooded Areas <br /> <br />Flood Profiles <br /> <br />Page <br />3 <br /> <br />5 <br /> <br />6 <br /> <br />6 <br /> <br />6 <br />6 <br />10 <br />21 <br /> <br />22 <br /> <br />No. <br /> <br />1 <br /> <br />2 <br />3-16 <br />.17~ 19 <br />
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