State of OregonThe polygons in this feature class are geologic map units assigned a radon potential rank, based on three major geologic factors: geologic materials, aerial radiometric measurement averages, and indoor air radon measurement averages.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/32743d247822484ab837e08c76a39835_0engOregon GEOHubPublicRadon Data [Oregon]Web servicesOregonLast Modified: 2023-07-07