This layer contains Linn County, Iowa 2020 imagery. All areas are covered by 3 inch pixel resolution.Imagery Layer DetailsUpdate Frequency:NeverUrban Pixel Resolution:3 inchRural Pixel Resolution:3inchSource Tile Coordinate System:NAD 1983 (2011) Iowa State Plane (wkid: 6463)Mosaic Coordinate System:Web Mercator Auxiliary Sphere (wkid: 3857)Additional ResourcesVisitLinn County, Iowaon the web.VisitLinn County, Iowa GISon the web.Visit theLinn County, Iowa GIS portal. This site is updated as needed to reflect maps, apps, and data of interest from various County departments.Contact InformationQuestions? Contact the GIS Division by phone at 319.892.5250 or byemail.