Linn County Iowa GISThis historic feature layer contains Linn County, Iowa 2 foot contours created in 2010. These contour lines were generated from a 2010 LiDAR project where LiDAR collection covering the City of Cedar Rapids was collected at approximately 3 foot spacing, and the rest of the County was collected at approximately 6 foot spacing. The Elevation field within this feature layer represents the elevation above sea level in feet. The Index Contour field within this feature layer represents whether the feature is a 10 foot index contour line. Update Frequency None, this data is an archive. Additional Resources Visit Linn County, Iowa on the web. Visit Linn County, Iowa GIS on the web. Visit the Linn County, Iowa GIS portal . 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/d781923393c648c1b90bc620e2b9b40e_0engLinn County, Iowa Open Data PortalPublicHistoric 2010 Contour (2ft) [Iowa--Linn County]Web servicesIowa--Linn CountyIowa2010