Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

Search Constraints

You searched for: Place Iowa, United States Remove constraint Place: Iowa, United States
Number of results to display per page
View results as:

Search Results

1.
Vector Created with Sketch.

511 Events: Nebraska

2016. 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 for use by Iowa DOT web...

2.
Vector Created with Sketch.

511 IA Road Conditions: Iowa

2016. Iowa Department of Transportation. Iowa Winter Road Conditions. Conditions are updated every 10 minutes during the winter season (October 15 to April 15) and on an as-needed basis du...

3.
Vector Created with Sketch.

Abandoned Rail Lines: Iowa

2017. Iowa Department of Transportation. This layer depicts abandoned rail lines in Iowa.

4.
Vector Created with Sketch.

Access Control to the Primary Highway System: Iowa

2016. Iowa Department of Transportation. The Iowa DOT has established an access management policy to control access to the Primary Highway System. This layer depicts all non-Priority 1 cla...

5.
Vector Created with Sketch.

Active: Iowa

2015. Iowa Department of Transportation. Iowa Department of Transportation's Intelligent Transportation System (ITS) Digital Message Signs (DMS) devices.Layer and service is maintained by ...

6.
Vector Created with Sketch.

Active Rail Lines: Iowa

2017. Iowa Department of Transportation. This layer depicts the current active rail lines for the State of Iowa.

7.
Vector Created with Sketch.

Adopt-A-Highway Status: Adopted: Iowa

2016. 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...

8.
Vector Created with Sketch.

Adopt-A-Highway Status: Never Adoptable: Iowa

2016. 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...

9.
Aerial Photo Counties: Iowa, 2016

Aerial Photo Counties: Iowa, 2016

2016. These county-wide datasets have been up-sampled to a one-meter-resolution raster, in jp2 format.

10.
Aerial Photography Counties: Iowa, 1930s

Aerial Photography Counties: Iowa, 1930s

1930. Iowa Department of Natural Resources. 1930s Aerial Photography of Iowa County dataset in a zipped file.

11.
Aerial Photography Counties: Iowa, 1950s

Aerial Photography Counties: Iowa, 1950s

1950. Iowa Department of Natural Resources. 1950s Aerial Photography of Iowa County dataset in a zipped file.

12.
Aerial Photography Counties: Iowa, 1960s

Aerial Photography Counties: Iowa, 1960s

1960. Iowa Department of Natural Resources. 1960s Aerial Photography of Iowa County Dataset in a zipped file.

13.
Aerial Photography Counties: Iowa, 1970s

Aerial Photography Counties: Iowa, 1970s

1970. Iowa Department of Natural Resources. 1970s Aerial Photography of Iowa Each zip file contains a county raster dataset.

14.
Aerial Photography Dates File: Iowa, 1930s

Aerial Photography Dates File: Iowa, 1930s

1930. Iowa Department of Natural Resources. This file contains a shapefile of the centroids of individual scanned photos, and the associated date.

15.
Vector Created with Sketch.

Aerial Photography Dates: Iowa, 1950s

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

16.
Vector Created with Sketch.

Aerial Photography Dates: Iowa, 1960s

1960. Iowa Department of Natural Resources. This dataset is centroids with dates of the individual images used.

17.
Vector Created with Sketch.

Aerial Photography Dates: Iowa, 1970s

1970. Iowa Department of Natural Resources. This shapefile has centroids with dates of all images used in this dataset.

18.
Agricultural Drainage Wells: Iowa

Agricultural Drainage Wells: Iowa

2017. Iowa Department of Natural Resources. Agricultural Drainage Wells in Iowa Wells and intakes.

19.
Vector Created with Sketch.

Airport Part 77 Surfaces - Approach: Iowa

2016. 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...

20.
Vector Created with Sketch.

Airport Part 77 Surfaces - Approach (Precision): Iowa

2016. 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...