Big Ten Academic Alliance Geospatial Discovery Portal

Big Ten Academic Alliance Geoportal

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1.
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PLSS Section Boundaries: Iowa

Iowa DOT GIS Services. The Public Land Survey System (PLSS) is a way of subdividing and describing land in the United States. The PLSS typically divides land into 6-mile-...

2.
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PLSS Township Boundaries: Iowa

Iowa DOT GIS Services. The Public Land Survey System (PLSS) is a way of subdividing and describing land in the United States. The PLSS typically divides land into 6-mile-...

3.
PLSS Counties: Iowa

PLSS Counties: Iowa

2017. Iowa Department of Natural Resources. Public Land Survey System of Iowa Each zip file contains a county dataset.

4.
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Public Roadway Rail Crossings: Iowa

Iowa DOT GIS Services. Authoritative layer of railroad crossings where tracks physically cross public roadways. Railroad crossings are only visible inside a county wide s...

5.
Project Scheduling Public Bid Data - Line: Iowa

Project Scheduling Public Bid Data - Line: Iowa

Iowa DOT GIS Services. Iowa DOT project bid data from Project Scheduling System (PSS) for public use- linear project data.

6.
Project Scheduling Public Bid Data - Points: Iowa

Project Scheduling Public Bid Data - Points: Iowa

Iowa DOT GIS Services. Iowa DOT project bid data from Project Scheduling System (PSS) for public use- bridge or structure project data.

7.
Project Scheduling Public Bid Data - Polygon: Iowa

Project Scheduling Public Bid Data - Polygon: Iowa

Iowa DOT GIS Services. Iowa DOT project bid data from Project Scheduling System (PSS) for public use.

8.
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PLSS Q-Q-Q Section Counties: Iowa

Each zip file contains a county dataset.

9.
Project Scheduling Public Bid Data - Multi-Points: Iowa

Project Scheduling Public Bid Data - Multi-Points: Iowa

Iowa DOT GIS Services. Iowa DOT project bid data from Project Scheduling System (PSS) for public use- bridge or structure project data.

10.
Plat Book of Chickasaw County, Iowa, 1895

Plat Book of Chickasaw County, Iowa, 1895

1895. Material in the public domain. No restrictions on use.

11.
Plat Book of Clayton County, Iowa, 1886

Plat Book of Clayton County, Iowa, 1886

1886. Material in the public domain. No restrictions on use.

12.
Plat Book of Jones County, Iowa, 1893

Plat Book of Jones County, Iowa, 1893

1893. Material in the public domain. No restrictions on use.

13.
Standard atlas of Monroe County Iowa, 1919

Standard atlas of Monroe County Iowa, 1919

1919. Material in the public domain. No restrictions on use.

14.
Atlas of Madison County Iowa, 1905

Atlas of Madison County Iowa, 1905

1905. 1 atlas Material in the public domain. No restrictions on use.

15.
Atlas and plat book of Mahaska County, Iowa, 1920

Atlas and plat book of Mahaska County, Iowa, 1920

1920. Material in the public domain. No restrictions on use. University of Iowa. Libraries. Map Collection.

16.
Atlas and plat book of Poweshiek County, Iowa, 1914

Atlas and plat book of Poweshiek County, Iowa, 1914

1914. Material in the public domain. No restrictions on use. University of Iowa. Libraries. Map Collection.

17.
Atlas of Benton County, Iowa, 1917

Atlas of Benton County, Iowa, 1917

1917. Anderson Publishing Co. and University of Iowa. Libraries. Map Collection. Material in the public domain. No restrictions on use. University of Iowa. Libraries. Map Collection.

18.
Atlas of Boone County Iowa, 1918

Atlas of Boone County Iowa, 1918

1918. Material in the public domain. No restrictions on use. University of Iowa. Libraries. Map Collection.

19.
Atlas of Cedar County Iowa, 1901

Atlas of Cedar County Iowa, 1901

1901. 1.l; map Material in the public domain. No restrictions on use.

20.
Atlas of Montgomery County, Iowa, 1919

Atlas of Montgomery County, Iowa, 1919

1919. Material in the public domain. No restrictions on use. University of Iowa. Libraries. Map Collection.