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<br />CONTENTS <br /> <br />Preface <br /> <br />Rackground Inlormation <br />Settlement <br />TheStreamar>d Its Valley <br />OevelopmentintheFloodPlaln <br /> <br />Flood Situation <br />Sources at OatJ<lnd Records <br />Flood Season and Flood Characteristics <br />Factors Affocting Flooding and Its Impact <br />Obstructions to flood flows <br />Flood damage reduction measures <br />Other factors and their impacts <br />FIOOdwarnirJgandforeCilsti"'l <br />FloCO fighting (lno ~ergency evacuation plans <br />~~terial storage on tnc flood plain <br /> <br />Past Floods <br />Summary of Historical Flood> <br />Flood Rocords <br />flood DeSGriptions <br />2w7Junel921 <br />22Jllne 1941 <br />4 Jllne 1949 <br />3 AU9ust 19'H <br />9Mavl957 <br />May and June 1969 <br /> <br />" <br />, <br /> <br />CONTENTS (Continued) <br /> <br />Paqe <br />~ <br /> <br />~ <br /> <br />6 <br /> <br />Future Floods <br />Intermediate Regio~1 Flood <br />Standard Project FlOOd <br />Frequency <br />HaZards of Large Floods <br />Flooded area ane flood damages <br />Obstructions <br />Velocities of flow <br />Rllteofrisellnddurationolflooding <br /> <br />18 <br />18 <br />18 <br />19 <br />19 <br />20 <br />23 <br />" <br />24 <br />25 <br /> <br />, <br />, <br />8 <br />8 <br />9 <br />10 <br />10 <br />" <br />" <br />" <br /> <br />Gloss.ary <br /> <br />TABLES <br /> <br />Table <br /> <br />Typical Physical Dimensions ~ St. Vrain Creek <br />Population Tronds <br />Summ~ry of His~orlc Flood Poak Dlschargos - <br />St.VrainCrC\lk <br />SummiJryofPofential Flood Peak Dischar<jes <br />Flood Pia in Reference D<rta ~ St. Vra i n Crock <br /> <br />5 <br />6 <br /> <br />12 <br />12 <br />12 <br />12 <br />12 <br />13 <br />" <br />" <br />" <br />" <br /> <br />2 <br />3 <br /> <br />8 <br />19 <br />78 <br /> <br />, <br /> <br />5 <br /> <br />PLATES <br /> <br />Title Number <br />- -- <br />Flood<)d Arc~ PI"re lnaax <br />Flooded Area Maps 2-3-4 <br />FlOOd Profile" '-6 <br />Cross Sections ,-, <br />