City of Portland, OregonPolygons representing the boundaries of resource site protection plans. Attribute information includes the name of the plan to which the area belongs, as well as the year in which the plan went into effect. https://www.portlandoregon.gov/bps/article/53343 -- Additional Information: Category: Zoning Code Purpose: For mapping resource site protection in Portland. See Zoning Code section 430. Update Frequency: As Needed -- Metadata Link: https://www.portlandmaps.com/metadata/index.cfm?&action=DisplayLayer&LayerID=52738ArcGIS DynamicMapLayerhttps://hub.arcgis.com/datasets/44c2370e983e416e83e4c6e14b0bf9f2_168engPortlandMaps Open DataPublicResource Sites [Oregon--Portland]Web servicesOregon--PortlandOregonLast Modified: 2025-07-03