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ELEVATION REFERENCE MARKS REFERENCE ELEVATION MARK (FEET NGVD) DESCRIPTION OF lOCATION RM 16 5599,28 A standard di sk stamped "W 320 RESET 1955," set in top of Cl concrete post projecting 0.8 foot above ground, located 80 feet north of the centerl ine of Lefthand Canyon Drive, 70 feet west of the centerline of North Foothills Highway (U. S. Highway 36) on north ban k 0 f a sma I I i r rig a t ion I ate r a I , and level with the highway. Established by Colorado State Highway Department. 1 2 3 5 6 105018' 45" 040011' 15" o <::t N o -! ill Z <( 0.. (j) Z o , E F JOINS PANEL 0233 s s ,.- 0 f'-.. f'-.. 0:0: 35 31 36 ~2f' OV .>>'0 ~\; ~il I ROOSEVELT NATIONAL FOREST j T3N T2N 2 1 6 Ditch ~ ZONE X 5 Plumely Canyon BOULDER COUNTY UNINCORPORATED AREAS 080023 11 12 @ Go..tC ~o\\ 14 18 I ?- m (') Gate z Ditch ROAD 23 40007'30" 105018'45" 8 ZONE X HARDT ROAD 17 20 L AREAS INUNDATED ZONE AE 105015'00" 40011'15" ZONE AH ZONE AO Flood depths ofl to 3 feet flow on determined. velocities also ZONE A99 ZONE V action); no ZONE VE Coastal flood with hazard action); base flood determined. FLOODWAY AREAS IN ZONE AE OTHER FLOOD AREAS ZONE X Areas of S00-year flood; flood with depths 1 foot or with areas less than 1 mile; and areas protected by from laO-year flood. OTHER AREAS ZONE X Areas determined to be outside SOO-year floodplain. ZONE 0 Areas in flood hazards are UNDEVELOPED COASTAL BARRIERS Identified Identified 1983 1990 Coastal barrier areas are normally located vvithin Flood Hazard Areas Flood Floodway Boundary Zone D Boundary ~513~ @------@ Boundary Hazard Dividing Coastal \rVithin Zones. Base Flood Elevation Elevation in Feet. See Map Index for Elevation Datum. Cross Section Line Dividing Zones, and Areas of Sase Flood Special Flood Boundary Different Hazard (EL 987) RM7X . M2 Base Flood Elevation in Feet Where Uniform Within Zone. See Map Index Elevation Datum Elevation Reference Mark River Mile 97007'30". 32022'30" NOTES This map is for use administering the National Flood Insurance it does not necessarily identify all areas subject to flooding, local drainage sources of small size. or all planimetric Special Flood Hazard Areas, Coastal base flood elevations the effects of action: from those developed by evacuation planning. AJeas of Special Flood Hazard (lOO-year flood) include Zones A99,V, and AO, Certain areas not in Special Flood Hazard Areas may be protected by flood control structures, Boundaries of the floodvvays were computed at cross sections and interpolated cross sections. The floodvvays were based on considerations with regard to requirements of the Federal Management Agency. LD <D N o -! ill Z <( Q.. (j) z 6 , Floodway widths in some areas may be too narrow to show to scale. Floodway vvidths are provided in the Flood Insurance Study Report. boundaries of Coastal Barrier and Otherwise Protected Areas established Barrier Improvement Act of 1990 \PL 101--591). shown are current as of the date of this The user community officials to determine corporate subsequent to the issuance of map. Corporate limits should contact limits have revision history prior to countywide mapping, see Insurance Study Report. For map panelS and base map source see Map MAP REPOSITORY Refer to Repository Listing on Map Index EFFECTIVE DATE OF COUNTYWIDE FLOOD INSURANCE RATE MAP: JUNE 2, 1995 EFFECTIVE DATE(S) OF REVISION(S) TO THIS PANEL: Refer to FLOOD INSURANCE RATE MAP EFFECTIVE DATE shOvvn on this map to determine when actuarial rates apply to structures in zones where elevations or depths have been established. To determine if flood insurance is available. contact an insurance agent or call the National Flood Insurance Program at (800) 638-6620. . APPROXIMATE SCALE IN FEET o -- FLOOD INSURANCE I flOOD INSURANCE MAP COUNTY, COLORADO AND INCORPORATED PANEL 245 Of 595 (SEE MAP INDEX FOR PANELS NOT PRINTED) 040007' 30" 105015'00" Federal