FLOOD01917

• County: Garfield
• Community: Garfield County
• Title: Flood Plain Management Study Colorado River Tributaries In Garfield County Colorado - C-16-1
• Date: 12/1/1982
• Prepared For: Garfield County
• Prepared By: USDA Soil Conservation Service
• Floodplain - Doc Type: Drawing/Map

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LEGEND
FLOOD PLAIN LIMITS

............................

100 YEAR
FLOOD

'.

GROUND ELEVATION IN FEET ~ 5<80 _______
MEAN SEA LEVEL DATUM

CONTOUR INTERVAL 2.0'
CROSS SECTION A. . A
CROSS SECTION CONTINUED . ..

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INTERMITTENT STREAM
HORIZONTAL CONTROL
VERTICAL CONTROL
PHOTO CENTER
GRID POINT
100 YEAR FLOOD ELEV.

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8272
station in 100ft.
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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" C,F. L, VERTICAL AERIAL PHOTOGRAPHY TAKEN NOV, 15,16 817,
1982. BASIS OF HORIZONTAL CONTROL: THE COLORADO STATE
PLANE COORDINATE SYSTEM, CENTRAL ZONE, LAMBERT
CONFORMAL CONIC PROJECTION, THE FOLLOWING (USC 8 GS AND
lOR USGS) TRIANGULATION STATIONS WERE USED: CATHERINE
COORDINATES X= 1,516,508,42 Y=581,255.78. GNAT-X=I,23I,566.60
Y=523,643,10. BASIS OF VERTICAL CONTROL: USC 8 GS SEA LEVEL
DATUM BASED ON THE FOLLOWING BENCHMARKS: D-156 ELEVATION
6192.284. 4870,74PS-ELEVATION 4869.860. PREPARED BY ANALYTICAL
SURVEYS,INC. 4167 SINTON ROAD, COLORADO SPRINGS, CO. 80907.

SHEETS 21 8 22
COORDINATE SYSTEM IS THE MODIFIED COLORADO STATE PLANE
COORDINATE SYSTEM,CENTRAL ZONE. LAMBERT CONFORMAL
CONIC PROJECTION, THE FOLLOWING (USC 6 G AND USGS)
TRIANGULATION STATIONS WERE USED: DRY HOLLOW X= 1,395,770,68.
Y=613,033.61, CASTLE X=I,432,094.81, Y= 623,300.73, ANTLER
X= I, 371,760,95, Y=630,478.31. BASIS OF VERTICAL CONTROL:
USC 6GS 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,

SHEET INDEX
STREAM MAP SHEET STREAM MAP SHE ET
PORCUPINE CR. I - 3 GARFIELD CR, 15-16
BEAVER CR 184 ALKALI CR, 17-18
MAMM CR, 5 - 8 S. CANYON CR, 19-22
DRY HOLLOVv' CR. 9 -10 CANYON CR. 23-24
DIVIDE CR, II -14 ELK CR. 25-29

REVISION

DATE

BY

(j U. S. DEPARTMENT OF AGRICULTURE
~ SOIL CONSERV A TION SERVICE

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

200
.
SCALE

600
.
FEET

IN

SHEET 26 OF 29