100 Foot Contours - 500k: State of Iowa
2020. Iowa Department of Natural Resources. This map service depicts 2-foot contours, derived from the Iowa LiDAR dataset.
1930 Imagery: Linn County, Iowa
1930. Linn County Iowa GIS. This web map contains the separate services listed below in order to create an imagery base map.Esri World Imagery. ?For details, see the note abou...
1950 Imagery: Linn County, Iowa
1950. Linn County Iowa GIS. State of Iowa imagery collected circa 1950. Imagery has been clipped to Linn County, Iowa.
1960 Imagery: Linn County, Iowa
1960. Linn County Iowa GIS. State of Iowa imagery collected circa 1960. Imagery has been clipped to Linn County, Iowa.
1970 Imagery: Linn County, Iowa
1970. Linn County Iowa GIS. State of Iowa imagery collected circa 1970. Imagery has been clipped to Linn County, Iowa.
1980 Imagery: Linn County, Iowa
1980. Linn County Iowa GIS. State of Iowa imagery collected circa 1980. Imagery has been clipped to Linn County, Iowa.
1990 Imagery: Linn County, Iowa
1990. Linn County Iowa GIS. State of Iowa imagery collected circa 1990. Imagery has been clipped to Linn County, Iowa.
2020. Iowa Department of Transportation. The Iowa Highway Five Year Improvement Program.Iowa Highway Five Year Improvement Program with amendments. Created in June 2018.
5 Year Program Structure: Iowa
2020. Iowa Department of Transportation. Iowa Highway Five Year Improvement Program with amendments for structures only. Created in June 2018.
Iowa Department of Transportation.
