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FLOOD02864
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Last modified
1/29/2010 10:11:50 AM
Creation date
10/4/2006 11:16:30 PM
Metadata
Fields
Template:
Floodplain Documents
County
Larimer
Weld
Community
Fort Collins, Greeley
Stream Name
Cache La Poudre River
Basin
South Platte
Title
Floodplain Information Report
Date
10/1/1975
Prepared For
Larimer-Weld Regional Planning Commission
Prepared By
US Army Corps of Engineers
Contract/PO #
&&
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />Stream Reach (reference pointsll! <br />79-94 <br />94-106 <br />106-117 <br />117-122 <br />122-125 <br />125-130 <br />130-137 <br />137-142 <br />142-147 <br />147-153 <br />153-159 <br />159-165 <br /> <br />Slope (feet/milel <br />9.5 <br />7.9 <br />10.0 <br />2.6 <br />" .6 <br />4.2 <br />7.9 <br />4.8 <br />6.3 <br />5.3 <br />8.4 <br />6.3 <br /> <br /> <br />Table 2 <br />Average Stream Bed Slope of the Cache la Poudre River <br /> <br />Figure I. <br /> <br />Looking <br />located <br /> <br />downstream at a Larimer <br />at reference point 97. <br /> <br />County bridge <br />May 1974. <br /> <br />The depth" of the Cache la Poudre River" below bankful, when <br />considering the entire study reach, ranges from approximately 5 to 14 feet <br />with the average being about 10 feet. The channel top width varies from <br />60 feet to 160 feet and averages about 110 feet for the entire study reach. <br /> <br /> <br />The Cache la Poudre River flood plain, as defined in this report, <br />has a fairly uniform width throughout the study reach. Where variances in <br />width do occur, they can usually be accounted for by the presence of trib- <br />utary streams and/or road crossings elevated above the flood plain. <br />Fi9ures 1 through 14 show existing conditions along the study reach. <br /> <br />l! The locations of the reference points are shown on Plates 3 thmugh 8. <br /> <br />Figure 2. <br /> <br />Looking upstream from a Larimer <br />located at reference point 98. <br /> <br />County bridge <br />May 1974. <br /> <br />3 <br /> <br />4 <br />
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