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<br />
<br />LEGEND
<br />FLOOD PLAIN LIMITS
<br />
<br />
<br />100 YEAR
<br />FLOOD
<br />
<br /><I
<br />
<br />. .,.,....-
<br />
<br />--
<br />~~80
<br />
<br />GROUND ELEVATION IN FEET /
<br />MEAN SEA LEVEL DATUM
<br />CONTOUR INTERVAL 2.0'
<br />CROSS SECTION A.
<br />CROSS SECTION CONTINUED ·
<br />
<br />< ... '~..-~
<br />
<br />..--<
<br />
<br />.'
<br />
<br />IA
<br />
<br />...
<br />
<br />INTERMITTENT STREAM
<br />HORIZONTAL CONTROL
<br />VERTICAL CONTROL
<br />PHOTO CENTER
<br />GRID POINT
<br />100 YEAR FLOOD ELEV,
<br />
<br />--t. --... -to _h.
<br />
<br />e::, ~ Center Line "\
<br />Station In 100ft.
<br />o from lower study limit
<br />
<br />-0
<br />+
<br />52.80
<br />
<br />C-69 INDEX NUMBER FOR COLORADO RIVER MAPPING PROJECT
<br />
<br />SHEETS 1,6 AND PARTS OF 2,7,10,11
<br />TOPOGRAPHY COMPILED BY PHOTOGRAMMETRIC METHODS fROM
<br />6" C.F.L. VERTICAL AERIAL PHOTOGRAPHY TAKEN NOV. 15,16 817,
<br />19B2. BASIS OF HORIZONTAL CONTROL: THE COLORADO STATE
<br />PLANE COORDI NATE SYSTEM, CENTRAL ZONE, LAMBER'T:
<br />CONFORMAL CONIC PROJECTION. THE FOLLOWING (USC 8 GS AND
<br />lOR USGS) TRIANGULATION STATIONS WERE USED: CATHERINE
<br />COORDINATES X- 1,516,508.42 Y=58I,255.78. GNAT-X= 1,231,566.60
<br />Y-523,643.10. BASIS OF VERTICAL CONTROL: USC 8 GS SEA LEVEL
<br />DATUM BASED ON THE FOLLOWING BENCHMARKS: 0-156 ELEVATION
<br />6192.284. 4870.74PS-ELEVATION 4869.860. PREPARED BY ANALYTICAL
<br />SURVEYS,INC. 4167 SINTON ROAD, COLORADO SPRINGS, CO. 80907.
<br />
<br />SHEETS 3,4,5,8,9,12,1:3,14 AND PARTS OF 2,7,10,11
<br />COORDINATE SYSTEM IS THE MODIFIED COLORADO STATE PLANE
<br />COORDINATE SYSTEM, CENTRAL ZONE, LAMBERT CONFORMAL
<br />CONIC PROJECTION. THE FOLLOWING (USC 8G AND USGS)
<br />TRIANGULATION STATIONS WERE USED: DRY HOLLOW X-I,395,770.68,
<br />Y-613,033.6I, CASTlE X-I,432,094.8I, Y' 623,300.73, ANTLER
<br />X-I,37I,760.95, Y-630,478.31. BASIS OF VERTICAL CONTROL:
<br />USC 8GS AND USGS, SEA LEVEL DATUM BASED ON THE FOLLOWING
<br />BENCHMARKS: RIFLE ELEV. 5319.199, NEW CASTLE ELEV.5747.82.
<br />TOPOGRAPHY COMPILED BY PHOTOGRAMMETRIC METHODS FROM
<br />6" CFL VERTICAL AERIAL PHOTOGRAPHY TAKEN JAN. 12, 1983.
<br />COMPILED BY BELL MAPPING CO., 500 KALAMATH ST. DENVER CO.
<br />LEGEND
<br />I; (2) MAP SHEET NUMBER
<br />
<br />I~)
<br />
<br />j
<br />(4) .'
<br />(
<br />
<br />
<br />(14)
<br />
<br />~
<br />(II) .~
<br />...
<br />.0
<br />'"
<br />
<br />R92W~IW
<br />165' ITas
<br />
<br />(I)
<br />
<br />1-70
<br />
<br />(10)
<br />
<br />(6
<br />
<br />COLORADO
<br />RIVER
<br />
<br />REVISION
<br />
<br />DATE
<br />
<br />BY
<br />
<br />0, U. S. DEPARTMENT OF AGRICULTURE
<br />~ SOIL CONSERVATION SERVICE
<br />
<br />FLOOD PLAINS
<br />FLOOD PLAIN MANAGEMENT STUDY
<br />TOWN OF SILT
<br />,IN GARFIELD COUNTY
<br />COLORADO
<br />o 200 ' 400
<br />
<br />r r(!"_ "',
<br />
<br />,
<br />I
<br />206
<br />
<br />600
<br />.
<br />FEET
<br />
<br />r
<br />
<br />SCALE.
<br />1
<br />. SHEET
<br />
<br />IN
<br />
<br />.OF 14
<br />
|