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Legend (Floodplain/LowerMiddleArk)

Cross Sections (1)
Lettered, Mapped Lettered, Mapped
Not Lettered, Mapped Not Lettered, Mapped
BFA (2)
Levee (3)
Streams (4)
Change Since Last FIRM - April 2018 (5)
Floodplain Increase Floodplain Increase
Floodplain Decrease Floodplain Decrease
Floodplain (Niether Increase or Decrease) Floodplain (Niether Increase or Decrease)
Special Flood Hazard Area - April 2018 (6)
Zone A Zone A
Zone AE Zone AE
Zone AE with Floodway Zone AE with Floodway
Advisory Zone - April 2018 (7)
Zone X, 0.2% (500yr) Annual Chance Zone X, 0.2% (500yr) Annual Chance
Cross Sections - September 2025 (9)
Lettered, Mapped Lettered, Mapped
Lettered, Not Mapped Lettered, Not Mapped
BFA (10)
Levee (11)
Streams (12)
Change Since Last FIRM - September 2025 (13)
Floodplain Increase Floodplain Increase
Floodplain Decrease Floodplain Decrease
Floodplain (Neither Increase or Decrease) Floodplain (Neither Increase or Decrease)
Draft Special Flood Hazard Area - September 2025 (14)
Zone A Zone A
Zone AE Zone AE
Zone AE with Floodway Zone AE with Floodway
Advisory Zone - September 2025 (15)
Zone X, 0.2% (500yr) Annual Chance Zone X, 0.2% (500yr) Annual Chance
Zone X, Reduced Risk due to Levee Zone X, Reduced Risk due to Levee
Zone X, Less than 1ft Depth Zone X, Less than 1ft Depth