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document updated 6 hours ago, on Apr 21, 2026
Wetlands Mapper
What do the codes mean?
https://www.fws.gov/rivers/carp/sites/default/files/documents/wetlands-and-deepwater-map-code-diagram.pdf
https://www.fws.gov/sites/default/files/documents/Classification-of-Wetlands-and-Deepwater-Habitats-of-the-United-States-2013.pdf#page=14
https://www.fws.gov/sites/default/files/documents/Wetlands-Mapper-Documentation-Manual-May-2019.pdf#page=6
https://www.fws.gov/program/national-wetlands-inventory/classification-codes
Give more detail on the codes
Marine, estuarine, riverine, lacustrine, and palustrine
.
Vegetation can be
emergent
, or
forested
, etc