Washington State Parks and RecreationMiscellaneous circulation infrastructure layers, including trail mileposts, culverts, bridges, and tunnels. Data was collected prior to 2010.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/326885df73374a91b713079d7b9671a4_0engState of Washington Geospatial Open Data PortalPublicTrailMileposts [Washington (State)]Web servicesWashington (State)Last Modified: 2023-02-14