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This data set represents the extent, status, and location of National Wetland Inventory wetland mapping projects for NWI Version 2, Surface Waters and Wetlands. Each project polygon contains information on the type and date of imagery used to map the wetlands and a link to a document about specific mapping techniques and habitat information for that project.County and ODOT District information has been added by OES via spatial join and may not be 100% accurate for features that cross county lines.Source: https://www.fws.gov/wetlands/data/State-Downloads.html |