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<br />,,\,~ ' , . "J ' ~\ 500 YEAR FLOOD I
<br />
<br />.~'~~~' ,~~.. l! ',,96' \ SHEET~LOW~ /J,;"-
<br />\ ""., "/~06)) ~~')Y/' : - ~ ~ -r'~~",.
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<br />;;\:2:(~,\,'~, ~ ~,9"'.;~, -,' ~,'",'~.~5c,B~~,..'2,I~~8~~~~~\~ ESTIMATED 100 YEAR FLOOD BOUNDARY
<br />
<br />OXk~Jl, \ L-~::' ~ :,"'.~\ l..,~, "-...~~ ~ .''1::.'' - '\ ~~""O~J i .//JiY '/ FROM ST, VRAIN CREEK
<br />/ ,,' 4900 ",.,) "~'~"- ", ~" 98 ~'~<!"d' 9~~
<br />,.0' DOWNSTRE~'IW' -MITS C11''F'LOOD bLAiii't'" ~::. \(==f7~~~~'~j~' ~' , ~-e~ ~,
<br />INFOFlIIMTION. L, WER ST,' VRAlN fREE. i/~c 'd-f;."!'.'" ~~~?" ~s: )
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<br />"OLO- Pf,l ;)o~;EAR FLOOD BOUNDARYji ' "~.~I ~ ,~ ~,
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<br />~ . ~ "S,P,F, BO~~DARY I "~'ffi I~: 8
<br />l::! l^ ST, VRAIN CREEK~ 9 :1/9
<br />~ 0 iI'" '/'.2L , -..:."," _S: 51 I,
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<br />
<br />DOWNSTREAM LIMITS OF STUDY
<br />
<br />- - ,,-'- ~
<br />
<br />1:15-IHV
<br />4892.21
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<br />100 YEAR FLOOD
<br />SHEET FLOW '
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<br />
<br />r=::=
<br />~~~
<br />
<br />~
<br />
<br />-
<br />
<br />'0 .-;
<br />2
<br />
<br />: 100 YEAR FLOOD
<br />
<br />500
<br />} YEAR
<br />FLOOD
<br />
<br />400
<br />.
<br />
<br />Channel and Valley Cross Section
<br />
<br />Reference Point - Also locations
<br />of surveyed cross sections
<br />
<br />NOTES:
<br />1, For the location of this plate,
<br />see Plate Index Map (Plate 2),
<br />2. For Profile, See Plates 26 & 27,
<br />
<br />3. For flood elevations at the
<br />reference points, See Table 3.
<br />4, For detailed topographic mapping
<br />having a scale of 1" = 200', see
<br />Dry Creek Flood Plain Mapping,
<br />Boulder County, Colorado,
<br />
<br />SCALE IN FEET
<br />o 400
<br />
<br />800
<br />.
<br />
<br />SOUTH PLATTE RIVER BASIN
<br />BOULDER COUNTY-WELD COUNTY, COLORADO
<br />BOULDER RESERVOIR TO ST. VRAIN CREEK
<br />
<br />DRY CREEK
<br />FLOODED AREAS
<br />
<br />U,S. ARMY ENGINEER DISTRICT, OMAHA
<br />CORPS OF ENGINEERS OMAHA, NEBRASKA
<br />JUNE 1978
<br />
<br />PLATE 13
<br />
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