Legend (UpperNehalemFlood/UNF_Base)

Places (0) Clatsop Co. FIRM Panels (5) Columbia Co. FIRM Panels (6) Base Flood Elevations (10) Cross Sections (11) Stream Profiles (12) Flood Zones (13) Zone A - 1% Annual Chance Flood Hazard Without Base Flood Elevation Zone AE - 1% Annual Chance Flood Hazard With Base Flood Elevation Zone AE and Regulatory Floodway - 1% Annual Chance Flood Hazard With Base Flood Elevation Zone X - 0.2% Annual Chance Flood Hazard Upper Nehalem Basin (15) Counties (20) Sections (21) Jurisdictions (22)