FLOOD01646

• County: Garfield
• County: Adams
• Community: Garfield County
• Title: Colorado River Tributaries Floodplain Management Study: Sheet C-10-1
• Date: 1/12/1983
• Prepared By: USDA Soil Conservation Service
• Floodplain - Doc Type: Drawing/Map

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FLOOD

LEGEND
PLAIN LIMITS

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100 YEAR
FLOOD

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GROUND ELEVATION IN FEET ~S<80 ~
MEAN SEA LEVEL DATUM
CONTOUR INTERVAL 2.0'
CROSS SECTION A.
CROSS SECTION CONTINUED .

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INTERMITTENT STREAM
HORIZONTAL CONTROL
VERTICAL CONTROL
PHOTO CENTER
GRID POI NT
100 YEAR FLOOD ELEV,

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station in 100ft)
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5280

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C-69 INDEX NUMBER FOR COLORADO RIVER MAPPING PROJECT

SHEETS 1-20 AND 23-29
TOPOGRAPHY. COMPILED BY PHOTOGRAMMETRIC METHODS FROM
6" CF. L. VERTICAL AERIAL PHOTOGRAPHY TAKEN NOV. 15,16 a 17,
1982, BASIS OF HORIZONTAL CONTROL: THE COLORADO STATE
PLANE COORDINATE SYSTEM, CENTRAL ZONE, LAMBERT
CONFORMAL CONIC PROJECTION, THE FOLLOWING (USC a GS AND
lOR USGS) TRIANGULATION STATIONS WERE USED: CATHERINE
COORDINATES X= 1,516,508.42 Y=58I,255.78. GNAT-X=I,23I,566.60
Y= 523,643.10. BASIS OF VERTICAL CONTROL: USC a GS SEA LEVEL
DATUM BASED ON THE FOLLOWING BENCHMARKS: D-156 ELEVATION
GI92.284. 4870.74PS- ELEVATION 4869.860, PREPARED BY ANALYTICAL
SURVEYS,INC. 4167 SINTON ROAD, COLORADO SPRINGS, CO. 80907.

SHEETS 21 a 22
COORDINATE SYSTEM IS THE MODIFIED COLORADO STATE PLANE
COORDINATE SYSTEM, CENTRAL ZONE. LAMBERT CONFORMAL
CONIC PROJECTION, THE FOLLOWING (USC 8 G AND USGS)
TRIANGULATION STATIONS WERE USED: DRY HOLLOW X= 1,395,770.68,
Y=613,033.6I, CASTLE X=I,432,094.8I, Y=623,300,73, ANTLER
X= 1,371,760.95, Y= 630,478.31, BASIS OF VERTICAL CONTROL:
USC 8GS AND USGS. SEA LEVEL DATUM BASED ON THE FOLLOWING
BENCHMARKS: RIFLE ELEV. 5319.199, NEW CASTLE ELEV.5747.82,
TOPOGRAPHY COMPILED BY PHOTOGRAMMETRIC METHODS FROM
6" CFL VERTICAL AERIAL PHOTOGRAPHY TAKEN JAN. 12,1983.
COMPILED BY BELL MAPPING CO" 500 KAlAMATH ST. DENVER CO,

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SHEET INDEX
STREAM MAP SHEET STREAM MAP SHEET
PORCUPINE CR. 1-3 GARFIEL D CR. 15-16
BEAVER CR 184 ALKALI CR. 17-18
MAMM CR, 5 - 8 S, CANYON CR. 19-22
DRY HOLLOW CR. 9 -10 CANYON CR 23-24
DIVIDE CR. II -14 ELK CR. 25-29

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REVISION

DATE

BY

() U. S. DEPARTMENT OF AGRICULTURE
~ SOIL CONSERVATION SERVICE .

FLOOD PLAINS
FLOOD PLAIN MANAGEMENT STUDY
COLORADO RIVER TRIBUTARIES
IN GARFIELD COUNTY
COLORADO
o 200 400

200
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SCALE

.'

600
.
FEET

SHEET 200F 29

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