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Legend (Hydrography/Floodplain2)

Missoula County Combined Cross-Section Lines 2019 (5)
Cross sections not shown on the hardcopy FIRM and not assigned a letter. Cross sections not shown on the hardcopy FIRM and not assigned a letter.
Cross sections shown on the hardcopy FIRM but not lettered. Cross sections shown on the hardcopy FIRM but not lettered.
Cross sections that are shown on the hardcopy FIRM and are given a letter. Cross sections that are shown on the hardcopy FIRM and are given a letter.
FIRM Panels (0)
Elevation Certificates Available (1)
FEMA LOMCs Issued (2)
Shoreline Permits (3)
City of Missoula Floodplain Not Shown - Contact 406-552-6625 (4)
2023 DFIRM - LOMC (effective 10/5/2023) (6)
Zone A (100 YR Floodplain - Approximate) Zone A (100 YR Floodplain - Approximate)
Zone AE (100 YR Floodplain - With Elevations) Zone AE (100 YR Floodplain - With Elevations)
Zone AE (100 YR Floodway) Zone AE (100 YR Floodway)
Zone AH (100 YR Floodplain - Ponding) Zone AH (100 YR Floodplain - Ponding)
Zone AO (100 YR Floodplain - Sheet Flow) Zone AO (100 YR Floodplain - Sheet Flow)
Area Not Included (Tribal Lands) Area Not Included (Tribal Lands)
Zone D (Undetermined Flood Hazard) Zone D (Undetermined Flood Hazard)
SHADED-X (100/500 YR Floodplain) SHADED-X (100/500 YR Floodplain)
SHADED-X (500-YR Floodplain Only) SHADED-X (500-YR Floodplain Only)
SHADED-X (Protected by Levee) SHADED-X (Protected by Levee)
Unshaded X (Out of Designated Floodplain) Unshaded X (Out of Designated Floodplain)
1988 FIRM - Zone A 1-Mile Buffer (7)
Subwatershed (8)