Island County GISData were derived from 2014 Island County lidar data using Spatial Analyst Surface Tools, then converted to polygon feature class. Polygons spanning elevation difference <10' were deleted.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/33659d49896f4186ba6fb44e3cb0a5a4_0engIsland County Open Data PortalPublicSteep Slopes [Washington (State)--Island County]Web servicesWashington (State)--Island CountyWashington (State)Last Modified: 2023-10-12