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<br />LEGEND
<br />FLOOD PLAIN LIMITS
<br />
<br />
<br />100 YEAR
<br />FLOOD
<br />
<br />06:
<br />
<br />GROUND ELEVATION IN FEET I"
<br />MEAN SEA LEVEL DATUM
<br />
<br />..-.-.---...
<br />:l280
<br />
<br />.-
<br />
<br />CONTOUR INTERVAL 2.0'
<br />CROSS SECTION A.
<br />CROSS SECTION CONTINUED .
<br />
<br />/..- -......-- -"'-.....--
<br />
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<br />.A
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<br />INTERMITTENT STREAM
<br />HORIZONTAL CONTROL
<br />VERTICAL CONTROL
<br />PHOTO CENTER
<br />GRID POINT
<br />100 YEAR FLOOD ELEV,
<br />
<br />--to ... t; -...
<br />8 ~ Crntrr Linr \
<br />Station In 100ft.
<br />o from lower study limit
<br />
<br />-0
<br />
<br />I
<br />-+-
<br />I
<br />5280
<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 a 17,
<br />1982. BASIS OF HORIZONTAL CONTROL: THE COLORADO STATE
<br />PLANE COORDI NATE SYSTEM, CENTRAL ZONE, LAMBERT
<br />CONFORMAL CONIC PROJECTION, THE FOLLOWING (USC a 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 a 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 3,4,5,8,9,12,13,14 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 aG 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,37/,760,95, Y'630,47B.31. BASIS OF VERTICAL CONTROL:
<br />USC aGS AND USGS. SEA LEVEL DATUM BASED ON THE FOLLOWING
<br />BENCHMARKS: RIFLE ELEV, 5319.199, NEW CASTLE ELEV.5747,82.
<br />TOPOGRAPHY COMP/LED 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 />iii (2) MAP SHEET NUMBER
<br />
<br />(~)
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<br />
<br />.(10)
<br />
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<br />
<br />COLORADO
<br />RIVER
<br />
<br />REVISION
<br />
<br />DATE
<br />
<br />BY
<br />
<br />0. u, S. DEPARTMENT OF AGRICULTURE
<br />"=fI SOIL CONSERVATION SERVICE
<br />
<br />FLOOD PLAINS
<br />FLOOD PLA IN MANAGEMENT STUDY
<br />TOWN OF SILT
<br />IN GARFIELD COUNTY
<br />COLORADO
<br />o 200 400
<br />
<br />200
<br />.
<br />SCALE
<br />
<br />IN
<br />
<br />600
<br />,
<br />FEET
<br />
<br />.SHEET
<br />
<br />OF 14
<br />
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