Metro Data Resource CenterThis polygon data layer represents the National Wetlands Inventory for Portland Metro, Oregon in 1992. The dataset was originally published by the Metro Data Resource Center in February 2001.[NWI digital data files are records of wetlands location and classification as defined by the U.S. Fish & Wildlife Service. This dataset contains ground planimetric coordinates of wetlands, line, and area features and wetlands attributes.][1992 Obtained from U.S. Fish and Wildlife. Data created 1983 - 1990.]Shapefileark:/77981/gmgsm03xw8mengPublicNational Wetlands Inventory Polygon Portland Metro, Oregon {1992}DatasetsOregon--Portland MetroOregon1992American Geographical Society Library – UWM Libraries