Hamilton County Surveyor's OfficeHamilton County line work representing urban area grass waterway, swale, and filter strips, specifically those under the jurisdiction of the Hamilton County Drainage Board. Maintained by the Hamilton County Surveyor's Office.ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/88c7a3490a514a6f872bedbabad57865_14engHamilton County, Indiana Open Data CollectionPublicSubdivision Drain Waterway [Indiana--Hamilton County]Web servicesIndiana--Hamilton CountyIndianaLast Modified: 2024-08-13