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<br />. TROUGH 169.3 SHOW
<br />. HEC_2SECTIONS 16;~R~SS HIGHWAY 287 AND
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<br />ISABELLE ROA~~~L~~~L~EATION IS BASED ON
<br />287. 'SHALL~AN ONE FOOT DEEP CROSSING
<br />FLOW LESS T C 2 CONVEYANCE
<br />ISABELLE. HOW~~:A~:L1:E ONLY INCLUDES THE
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<br />~O/ ~~ (TIED TO TEA STATIONING)
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<br />\. \ L --:: ~ ~ ~ AT.. Jf . AlONG CENTERLINE
<br />100YR SPIL LONj\"I''''''~ L ~ ~ ~~ l' ~ . OF CREEK
<br />FLOW NO CONNEC ~ V" ~ 00 .
<br />o MAl CHANNEL: .1:\ ~:\ I -.#// '/~ L, .
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<br />. ~ GULCH FLOW IS ASSUMED TO CROSS LEYNE MAIN PORTION OF BULLHEAD
<br />THE BULLHEAD CHANNEL CRO R-COTTONWOOD DITCH WHERE
<br />EFFECTIVE CONVEYANCE LINE:~~O~~ D. ~~CH.' THIS IS THE BASIS FOR THE
<br />DITCH CclNVEYANCE IS IGNORED . R FEMA REGULATIONS, THE .
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<br />DITCH BANK WILL BREACH IS UNKNOWN D FLOWS, IF AND WHERE THE .
<br />2B7 AND THE BULLHEAD ASSUMED CEN':E:~EREFORE THE AREA BETWEEN
<br />YEAR/500-YEAR FLOODPLAIN. NE IS SHOWN IN THE 100.
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<br />FLOW CAN FOLLOW DITCH RESULTING
<br />IN SPILLS AND SHALLOW FLOODING AT
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<br />DITCH FLOW NOT STUDIED. DITCH
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<br />SHEET NO.
<br />
<br />GROUND CONTROL SURVEY BY: LANDMARK MAPPING
<br />
<br />UPDATED FOR FEMA BY:
<br />
<br />DRAWN BY: TAB
<br />CHECKED BY: KJC
<br />
<br />FLOOD INSURANCE STUDY WORK MAP
<br />BULLHEAD GULCH
<br />
<br />3
<br />
<br />AERIAL PHOTOGRAPHY BY: ROCKY MOUNTAIN AERIAL SURVEYS
<br />
<br />~~~~~~.
<br />lIP' 2480 W. 26th A...... Suit. J40B
<br />Otnvet,CoIorodo802"
<br />(JOJ)455-36OQFAX4M-9929
<br />
<br />DATE: 5/20/98
<br />TEA PROJ. NO. 40
<br />
<br />TOPOGRAPHIC MAPPING BY: LANDMARK MAPPING .
<br />
<br />COUNTOUR INTERVAL: 2 FEET
<br />
<br />DATE FLOWN:. MAY 6, 1990
<br />
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