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<br />BASE FLOOD
<br />WATER-SURFACE ELEVATION
<br />(FEET NGVD)
<br />
<br />FLOODWA Y
<br />
<br />FLOODING SOURCE
<br />
<br />NCREASE
<br />
<br />WITH
<br />FLOODWA Y
<br />
<br />WITHOUT
<br />FLOODWA Y
<br />
<br />REGULATORY
<br />
<br />MEAN
<br />VELOCITY
<br />(FEET PER
<br />SECOND)
<br />
<br />SECTION
<br />AREA
<br />(SQUARE
<br />FEET)
<br />
<br />WIDTH
<br />(FEET)
<br />
<br />DISTANCE
<br />
<br />CROSS SECTION
<br />
<br />0.0
<br />0.0
<br />0.0
<br />0.0
<br />0.0
<br />0.1
<br />0.0
<br />0.0
<br />
<br />5,929.0
<br />5,937.3
<br />5,950.3
<br />5,962.4
<br />5,992.8
<br />6,006.9
<br />6,034.4
<br />6,050.7
<br />
<br />5,929.0
<br />5,937.3
<br />5,950.3
<br />5,962.4
<br />5,992.8
<br />6,006.8
<br />6,034.4
<br />6,050.7
<br />
<br />5,929.0
<br />5,937.3
<br />5,950.3
<br />5,962.4
<br />5,992.8
<br />6,006.8
<br />6,034.4
<br />6,050.7
<br />
<br />11.4
<br />25.5
<br />13.2
<br />9.8
<br />9.0
<br />8.5
<br />8.8
<br />14.1
<br />
<br />193
<br />86
<br />160
<br />215
<br />222
<br />195
<br />217
<br />135
<br />
<br />58
<br />34
<br />30
<br />74
<br />85
<br />80
<br />79
<br />22
<br />
<br />37,005
<br />37,465
<br />38,068
<br />38,540
<br />39,119
<br />39,800
<br />40,445
<br />40,865
<br />
<br />LENA GULCH
<br />BX
<br />BY
<br />BZ
<br />CA
<br />CB
<br />CC
<br />CD
<br />CE
<br />
<br />"'QlJ
<br />0.0
<br />0.0
<br />0.4
<br />0.6
<br />0'2
<br />0.8
<br />0.4
<br />1.0
<br />0.7
<br />0.1
<br />0.5
<br />0.0
<br />0.6
<br />0.3
<br />
<br />5,420.5
<br />5,424.5
<br />5,425.5
<br />5,429.8
<br />5,434.7
<br />5,436.3
<br />5,441.5
<br />5,446.1
<br />5,447.7
<br />5,452.2
<br />5,457.6
<br />5,460.3
<br />5,462.1
<br />5,471.5
<br />5,482.5
<br />
<br />o,420~5
<br />5,424.5
<br />5,425.5
<br />5,429.4
<br />5,434.1
<br />5,436.1
<br />5,440.7
<br />5,445.7
<br />5,446.7
<br />5,451.5
<br />5,457.5
<br />5,459.8
<br />5,462.1
<br />5,470.9
<br />5,482.2
<br />
<br />5,420.5
<br />5,424.5
<br />5,425.5
<br />5,429.5
<br />5,434.1
<br />5,436.1
<br />5,440.7
<br />5,445.7
<br />5,446.7
<br />5,451.5
<br />5,457.5
<br />5,459.8
<br />5,462.1
<br />5,470.9
<br />5,482.2
<br />
<br />"'5.0
<br />7.1
<br />6.4
<br />9.7
<br />5.9
<br />7]"
<br />6.2
<br />6.2
<br />2.5
<br />7.6
<br />9.4
<br />4.0
<br />7.9
<br />2.8
<br />8.4
<br />
<br />444
<br />346
<br />383
<br />254
<br />420
<br />312
<br />353
<br />352
<br />896
<br />200
<br />163
<br />262
<br />132
<br />376
<br />123
<br />
<br />11'5"
<br />97
<br />94
<br />69
<br />169
<br />96
<br />87
<br />117
<br />118
<br />113
<br />59
<br />77
<br />67
<br />182
<br />39
<br />
<br />LEYDEN CR
<br />A ~2
<br />B 969 2
<br />C 1 , 198 2
<br />D 1,5402
<br />E 1,9802
<br />i F ~
<br />I G 3,1402
<br />REVISED AREA H 3,620 2
<br />I 4,280 2
<br />J 4,7402
<br />K 5,290 2
<br />L 5,750 2
<br />M 6,250 2
<br />N 7,6102
<br />o 8,630 2
<br />Feet above confluence with Ralston Creek
<br />Feet above confluence with Ralston Creek
<br />
<br />EEK
<br />
<br />SED TO
<br />
<br />en:\ I
<br />l-V
<br />
<br />T
<br />
<br />REVISED BY LOMR DATED SEPTEMBER 7. 2006
<br />
<br />2
<br />
<br />
<br />20~7
<br />
<br />1 8
<br />
<br />JAN
<br />
<br />FLOODWAY D~ECTIVE
<br />
<br />LEYDEN CREEK
<br />
<br />FEDERAL EMERGENCY MANAGEMENT AGENCY
<br />
<br />JEFFERSON COUNTY, CO
<br />(And ncorporated Areas)
<br />
<br />T
<br />A
<br />B
<br />L
<br />E
<br />2
<br />
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