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This file contains the history of the current urban growth boundary for the Portland Metro region. Areas that were added to the UGB are attributed with the year they were added. The data only contains additions for the current UGB; areas that were added to the UGB, and then subsequently removed, are not part of this data.
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Freshwater Specialist/GIS Technician with Conservation Biology Institute
I have a background in watershed science, collaboration, data collection, and geospatial data management. I currently work for Conservation Biology Institute as the Freshwater Specialist/GIS Technician.