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<br />-i:.
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<br />FLOODING SOURCE FLOODWA Y BASE FLOOD
<br /> WATER SURFACE ELEVATION
<br /> SECTION MEAN REGULATORY I WITHOUT I WITH I INCREASE
<br />(ROSS SECTION DISTANCE! WIDTH AREA VELOCITY fLOODWAY FlOODWAY
<br />(FEET) (SQUARE (FEET PER
<br /> FEET) SECOND) (fEET NGVD)
<br />Fourmile Canyon
<br />Creek
<br />A 430 894 1,249 3.2 5,163.4 5,163.4 5,164.3 0.9
<br />B 1,870 110 422 9.4 5,179.0 5,179.0 5,179.0 0.0
<br />C 2,970 253 749 5.3 5,192.8 5,192.8 5,192.9 0.1
<br />D 3,720 255 587 6.7 5,198.8 5,198.8 5,199.6 0.8
<br />E 4,300 205 755 5.2 5,205.4 5,205.4 5,206.0 0.6
<br />F 4,775 647 1,917 2.1 5,212.6 5,212.6 5,212.6 0.0
<br />G 5,250 229 811 4.9 5,213.5 5,213.5 5,214.5 1.0
<br />H 6,610 258 515 7.6 5,229.5 5,229.5 5,229.5 0.0
<br />I 8,420 273 683 5.7 5,245.5 5,245.5 5,245.5 0.0
<br />J 9,640 163 645 6.1 5,256.7 5,256.7 5,256.9 0.2
<br />K 10,180 170 514 7.6 5,263.2 5,163.2 5,263.5 0.3
<br />L 11,020 565 1,001 3.9 5,274.6 5,274.6 5,274.7 0.1
<br />M 11,490 1,149 5,281 0.7 5,286.3 5,286.3 5,286.3 0.0
<br />N 12,150 670 1,332 2.9 5,287.4 5,287.4 5,287.4 0.0
<br />0 12,950 723 3,278 1.2 5,302.2 5,302.2 5,302.2 0.0
<br />P 13,510 513 526 7.4 5,305.3 5,305.3 5,305.3 0.0
<br />Q 14,100 450 856 4.6 5,316.6 5,316.6 5,316.9 0.2
<br />R 15,000 130 536 7.3 5,326.8 5,326.8 5,326.8 0.0
<br />S 15,450 120 383 6.2 5,332.5 5,332.5 5,332.5 0.0
<br />T 15,900 159 736 5.3 5,343.2 5,343.2 5,343.2 0.0
<br />U 16,580 148 612 6.4 5,352.7 5,352.7 5,353.3 0.6
<br />V 11,191 171 672 5.8 5,362.6 5,362.6 5,362.6 0.0
<br />W 19,225 317 864 4.5 5,398.1 5,398.1 5,398.5 0.4
<br />X 20,175 611 1,083 3.5 5,416.0 5,416.0 5,416.0 0.0
<br />Y 20,515 252 760 5.0 5,421.1 5,421.1 5,421.2 0.1
<br />
<br />IFeet Above Confluence With Boulder Creek
<br />
<br />FEDERAL EMERGENCY MANAGEMENT AGENCY
<br />
<br />FlOODWAY DATA
<br />
<br />T
<br />A
<br />B
<br />l
<br />E
<br />l
<br />
<br />CITY OF BOULDER. CO.
<br />(BOULDER CO.)
<br />
<br />FOURMILE CANYON CREEK
<br />
<br />~--.....~---,--
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