Linn County Iowa GISThis feature layer contains US National Grid tiles at the 100 meter interval that intersect the greater Linn County, Iowa area. For more information about the US National Grid, visit their information center site . Update Frequency As needed 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/5d61a90bb1ce4f25954d0d5b0bebf713_0engLinn County, Iowa Open Data PortalPublicUSNG 100 Meter Grid [Iowa--Linn County]Web servicesIowa--Linn CountyIowaLast Modified: 2021-08-04