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2.
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1930 Imagery: Linn County, Iowa 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...

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1950 Imagery: Linn County, Iowa iowa

1950. Linn County Iowa GIS. State of Iowa imagery collected circa 1950. Imagery has been clipped to Linn County, Iowa.

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1960 Imagery: Linn County, Iowa iowa

1960. Linn County Iowa GIS. State of Iowa imagery collected circa 1960. Imagery has been clipped to Linn County, Iowa.

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1970 Imagery: Linn County, Iowa iowa

1970. Linn County Iowa GIS. State of Iowa imagery collected circa 1970. Imagery has been clipped to Linn County, Iowa.

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1980 Imagery: Linn County, Iowa iowa

1980. Linn County Iowa GIS. State of Iowa imagery collected circa 1980. Imagery has been clipped to Linn County, Iowa.

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1990 Imagery: Linn County, Iowa iowa

1990. Linn County Iowa GIS. State of Iowa imagery collected circa 1990. Imagery has been clipped to Linn County, Iowa.

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5 Year Program Highway: Iowa 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.

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5 Year Program Structure: Iowa iowa

2020. Iowa Department of Transportation. Iowa Highway Five Year Improvement Program with amendments for structures only. Created in June 2018.

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511 Traveler Information Events - Nebraska: Iowa iowa

2020. Iowa Department of Transportation. Current 511 Events for Nebraska. This layer is updated every 10 minutes. This layer is provided as a courtesy from Iowa DOT. Iowa DOT does not take...

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Accumulation by Time: Iowa iowa

Iowa Department of Transportation. This service is available to all ArcGIS Online users with organizational accounts. For more information on this service, including the terms of use...

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Active Digital Message Signs: Iowa iowa

Iowa Department of Transportation. Iowa Department of Transportation's Intelligent Transportation System (ITS) Digital Message Signs (DMS) devices.

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Actual Pending ROW: State of Iowa iowa

2020. Iowa Department of Transportation. Right of Way parcels that are in the process of being purchased, but are not yet owned by the Iowa DOT.

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Address Point: Linn County, Iowa iowa

Linn County Iowa GIS. This feature layer contains Linn County address points. This information is maintained by the Real Estate department within the Auditor's Office. S...

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Address Points: Sioux Falls, Iowa iowa

2016. City of Sioux Falls GIS. Feature layer containing authoritative address points for Sioux Falls, South Dakota.

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Adopt-A-Highway Status - Adopted: State of Iowa iowa

2019. Iowa Department of Transportation. This layer displays all of the currently adopted Iowa Highway segments as related to the Adopt-A-Highway program. These layers were developed for u...

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Adopt-A-Highway Status: Adopted: Iowa iowa

2020. Iowa Department of Transportation. This layer displays all of the currently adopted Iowa Highway segments as related to the Adopt-A-Highway program. These layers were developed for u...

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Adopt-A-Highway Status: Adopted: State of Iowa iowa

2020. Iowa Department of Transportation. This layer displays all of the currently adopted Iowa Highway segments as related to the Adopt-A-Highway program. These layers were developed for u...

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Adopt-A-Highway Status (Adopted): State of Iowa iowa

2020. Iowa Department of Transportation. This layer displays all of the currently adopted Iowa Highway segments as related to the Adopt-A-Highway program. These layers were developed for u...

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Adopt-A-Highway Status: Never Adoptable: Iowa iowa

2020. Iowa Department of Transportation. This layer represents the sections of highway which are never available for adoption within the Adopt-A-Highway program. This symbolization was dev...

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Aerial Oblique (CAP): Iowa iowa

Iowa Department of Transportation. Aerial Oblique Photo Points from the Civil Air Patrol.

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Aerial Photography Dates: Iowa, 1950s iowa

1950. Iowa Department of Natural Resources. Zipped file Contains a dateset of the centroids, with dates, of the individual images used.

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Air Facilities: Iowa iowa

2018. Iowa Department of Natural Resources. Facilities with operating permits for Title V of the Federal Clean Air Act, as well as facilities required to submit an air emissions inventory, an...

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Airport Approach Surface Precision: Iowa iowa

2020. Iowa Department of Transportation. The approach surface is longitudinally centered on the extended runway centerline and extends outward and upward from each end of the primary surfa...

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Airport Approach Surface Precision: State of Iowa iowa

2019. Iowa Department of Transportation. The approach surface is longitudinally centered on the extended runway centerline and extends outward and upward from each end of the primary surfa...

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Airport Approach Surfaces: Iowa iowa

2020. Iowa Department of Transportation. The approach surface is longitudinally centered on the extended runway centerline and extends outward and upward from each end of the primary surfa...

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Airport Conical Surface: Iowa iowa

2020. Iowa Department of Transportation. The Conical surface extends outwards and upwards from the boundary of the horizontal surface at a slope of 20:1 for a horizontal distance of 4,000'.

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Airport Conical Surface: State of Iowa iowa

2019. Iowa Department of Transportation. The Conical surface extends outwards and upwards from the boundary of the horizontal surface at a slope of 20:1 for a horizontal distance of 4,000 .

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Airport Horizontal Surface: Iowa iowa

2020. Iowa Department of Transportation. The Horizontal surface is a plane 150' above the established airport elevation. The perimeter of which is constructed by swinging arcs of specified...

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Airport: Linn County, Iowa iowa

Linn County Iowa GIS. This feature layer contains Linn County, Iowa airports.Feature Layer DetailsUpdate Frequency: As neededFeature Class Coordinate System: NAD 1983 Io...

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Airport Locations: Iowa iowa

2020. Iowa Department of Transportation. Airport locations and information in Iowa including contact information, location details and more.

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Airport Overlay: Sioux Falls, Iowa iowa

2018. City of Sioux Falls GIS. Feature layer containing authoritative airport overlay polygons for Sioux Falls, South Dakota.