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<br />BASE FLOOD
<br />WATER SURFACE ELEVATION
<br />
<br />INCREASE
<br />
<br />I
<br />
<br />'WITH
<br />FlOODWA Y
<br />(fEET NGVD)
<br />
<br />WITHOUT
<br />f LOOOWA V
<br />
<br />1
<br />
<br />REGULATORY
<br />
<br />MEAN
<br />VELOCITY
<br />(FEET PER
<br />SECOND)
<br />
<br />FLOODWA Y
<br />
<br />SECTION
<br />AREA
<br />(SQUARE
<br />FEET)
<br />
<br />WIDTH
<br />(FEET)
<br />
<br />FLOODING SOURCE
<br />
<br />DIST ANCE
<br />
<br />CROSS SECTION
<br />
<br />
<br />Fourmile Canyon
<br />Creek
<br />
<br />0.9
<br />0.0
<br />0.1
<br />0.8
<br />0.6
<br />0.0
<br />1.0
<br />0.0
<br />0.0
<br />0.2
<br />0.3
<br />0.1
<br />0.0
<br />0.0
<br />0.0
<br />0.0
<br />0.2
<br />0.0
<br />0.0
<br />0.0
<br />0.6
<br />0.0
<br />0.4
<br />0.6
<br />0.9
<br />
<br />5,164.3
<br />5,179.0
<br />5,192.9
<br />5,199.6
<br />5,206.0
<br />5,212.6
<br />5,214.5
<br />5,229.5
<br />5,245.5
<br />5,256.9
<br />5,263.5
<br />5,274.7
<br />5,286.3
<br />5,287.4
<br />5,302.2
<br />5,305.3
<br />5,316.9
<br />5,326.8
<br />5,332.5
<br />5,343.2
<br />5,353.3
<br />5,362.6
<br />5,398.5
<br />5,416.4
<br />5,421.8
<br />
<br />5,163.4
<br />5,179.0
<br />5,192.8
<br />5,198.8
<br />5,205.4
<br />5,212.6
<br />5,213.5
<br />5,229.5
<br />5,245.5
<br />5,256.7
<br />5,163.2
<br />5,274.6
<br />5,286.3
<br />5,287.4
<br />5,302.2
<br />5,305.3
<br />5,316.6
<br />5,326.8
<br />5,332.5
<br />5,343.2
<br />5,352.7
<br />5,362.6
<br />5,398.1
<br />5,415.8
<br />5,420.9
<br />
<br />5,163.4
<br />5,179.0
<br />5,192.8
<br />5,198.8
<br />5,205.4
<br />5,212.6
<br />5,213.5
<br />5,229.5
<br />5,245.5
<br />5,256.7
<br />5,263.2
<br />5,274.6
<br />5,286.3
<br />5,287.4
<br />5,302.2
<br />5,305.3
<br />5,316.6
<br />5,326.8
<br />5,332.5
<br />5,343.2
<br />5,352.7
<br />5,362.6
<br />5,398.1
<br />5,415.8
<br />5,420.9
<br />
<br />3.2
<br />9.4
<br />5.3
<br />6.7
<br />5.2
<br />2.1
<br />4.9
<br />7.6
<br />5.7
<br />6.1
<br />7.6
<br />3.9
<br />0.7
<br />2.9
<br />1.2
<br />7.4
<br />4.6
<br />7.3
<br />6.2
<br />5.3
<br />6.4
<br />5.8
<br />4.5
<br />4.1
<br />6.1
<br />
<br />,249
<br />422
<br />749
<br />587
<br />755
<br />,917
<br />811
<br />515
<br />683
<br />645
<br />514
<br />,001
<br />,281
<br />,332
<br />,278
<br />526
<br />856
<br />536
<br />383
<br />736
<br />612
<br />672
<br />864
<br />926
<br />620
<br />
<br />1
<br />
<br />1
<br />
<br />1
<br />5
<br />1
<br />3
<br />
<br />894
<br />110
<br />253
<br />255
<br />205
<br />647
<br />229
<br />258
<br />273
<br />163
<br />170
<br />565
<br />149
<br />670
<br />723
<br />513
<br />450
<br />130
<br />120
<br />159
<br />148
<br />171
<br />317
<br />158
<br />120
<br />
<br />1
<br />
<br />430
<br />1,870
<br />2,970
<br />3,720
<br />4,300
<br />4,775
<br />5,250
<br />6,610
<br />8,420
<br />9,640
<br />10,180
<br />11,020
<br />11,490
<br />12,150
<br />12,950
<br />13,510
<br />14,100
<br />15,000
<br />15,450
<br />15,900
<br />16,580
<br />17,191
<br />19,225
<br />20,175
<br />20,515
<br />
<br />A
<br />B
<br />C
<br />D
<br />E
<br />F
<br />G
<br />H
<br />I
<br />J
<br />K
<br />L
<br />M
<br />N
<br />o
<br />p
<br />Q
<br />R
<br />S
<br />T
<br />U
<br />V
<br />W
<br />X
<br />Y
<br />
<br />FLOODWAY DATA
<br />
<br />FOURMILE CANYON CREEK
<br />
<br />IFeet Above Confluence With Boulder Creek
<br />
<br />
<br />FEDERAL EMERGENCY MANAGEMENT AGENCY
<br />
<br />BOULDER COUNTY, CO
<br />AND INCORPORATED AREAS
<br />
<br />T
<br />A
<br />B
<br />l
<br />f
<br />Ii
<br />
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