Linn County Iowa GISThis feature layer contains Linn County, Iowa 2 foot contours derived from a statewide LiDAR projected conducted in 2019-2020. For more information about this project, please contact the State of Iowa . The Elevation field within this feature layer represents the elevation above sea level in feet. Update Frequency Never Additional Resources Visit Linn County, Iowa on the web. Visit Linn County, Iowa GIS on the web. This site is updated as needed to reflect maps, apps, and data of interest from various County departments. Contact Information Questions? Contact the GIS Division by phone at 319.892.5250 or by email .ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/8cc88edb578a44ea83a32f20543edf31_0engLinn County, Iowa Open Data PortalPublicContour (2020) [Iowa--Linn County]Web servicesIowa--Linn CountyIowa2020