FLOOD08391

• County: Otero
• Basin: Arkansas
• Title: U.S.G.S. Floodprone Quadrangle Maps - Elder Quadrangle
• Date: 1/1/1953
• Prepared By: USGS
• Floodplain - Doc Type: Drawing/Map

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UNITED STATES
DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY

MAP OF

FLOOD-PRONE

AREAS

104"00
38"07'30"

588OOOm.E.

P/JEBLO 39 MI.
FOWL~R 2." /.

R. 59 W. R. 58 W.

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2 460 000 FEET

ELDER QUADRANGLE
COLORAOO
7.5 MINUTE SERIES (TOPOGRAPHIC)
103'5230"
38"07'30"

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EXPLANATION

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:\pproximate boundaries of flood-prone areas are shown on this map. There is. on the average,
ahout 1 chance in 100 that the designated areas will be inundated in any year. This information is
importa.nt to public agencies and private citizens concerned with future land developments.
The flood-prone ar~as have been delineated through use of readily available information on past
floods rather than from detailed field surveys and inspections. In general, the delineated areas are
for natural conditions and do not take into consideration the possible effects of existing or proposed
flood control structures except where those effects could be evaluated. Flood areas have been iden-
tified for: (1) urban areas where the upstream drainage basin exceeds 25 square miles, (2) rural
areas in humid regions where the upstream drainage basin exceeds 100 square miles. (3) rural areas
in semiarid regions where the upstream drainage basin exceeds 250 square miles. and (4) smaller
drainaR'e basins. depending on topography and potential use of the flood plains.
The 89th Congress. in House Document 46.'). recommended the preparation of flood-prone area
maps to assist in minimizing flood losses by quickly identifying the areas of potential flood hazards.
More detailed flood information may be required for other purposes such as structural designs, eco--
nomic studies. or formulation of land-use regulations. Such detailed information may be obtained
from the U.s. Geolol{ical Survey. other Federal agencies. or State. local. and private agencies.

SCALE 1:24000

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

o

1000

2000

3000

'000

5000

6000

7000 FEET

Flood boundaries were estimated from:

1000

5

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Ill.1LOMETER

G

Regional stage.frequency relations.

............ .---. ....--. .....--. .....--.

CONTOUR INTERVAL 10 FEET
DATUM 1$ MEAN SEA LEVEL

OUADRANGLE LOCATION

ELDER. COLO.
N3800-WI0352.5/7.5
Base by U.S. Geological Survey!
1954

PREPARED BY THE U.S. GEOLOGICAL SURVEY

1978

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