Wetland and Riparian Mapping
The Montana Wetland and Riparian Framework represents the extent, type, and approximate location of wetlands, riparian areas, and deepwater habitats in Montana. These data delineate the areal extent of wetlands and deepwater habitats as defined by Cowardin et al. (2013) and riparian areas as defined by the U.S. Fish and Wildlife Service (2019). These data represent wetland and riparian mapping managed by the University of Montana's Ecological Mapping, Monitoring and Analysis (EMMA) Group. Wetland and riparian areas were manually digitized at a scale of 1:4,500 or 1:5,000 from orthorectified digital color-infrared aerial imagery collected during the summers of 2005, 2009, 2011, 2013, 2015 and 2017 by the National Agricultural Imagery Program (NAIP). These data are intended for use in publications at a scale of 1:12,000 or smaller.  These data do not cover the entire state of Montana. For areas within Montana that do not have updated mapping or modern mapping, please download the NWI Legacy (outdated mapping) data from https://www.fws.gov/wetlands/Data/Data_Download.html.  For more information regarding the different datasets, please refer to the following document http://mtnhp.org/nwi/Wetland_Riparian_Mapping_Status_Info.pdf.
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