Geoportal
About
News
Help
Feedback
Advanced Search
Clear search
Within search
Dc Creator Sm:
Iowa Department of Transportation
Dc Subject Sm:
Transportation
Dc Type Sm:
Dataset
Dct Provenance S:
Iowa
Time Period:
2010-2014
Search Field One
Keyword
Title
Place
Publisher/Creator
Text Field One
AND
OR
NOT
Search Field Two
Keyword
Title
Place
Publisher/Creator
Text Field Two
AND
OR
NOT
Search Field Three
Keyword
Title
Place
Publisher/Creator
Text Field Three
AND
OR
NOT
Search Field Four
Keyword
Title
Place
Publisher/Creator
Text Field Four
Limit Results By
Resource Class
Datasets (3,130)
Imagery (1,499)
Maps (45)
Other (4)
Web services (462)
Resource Type
Aerial photographs (1)
Image data (2)
LiDAR (70)
Line data (207)
Mixed data (18)
Point data (181)
Polygon data (610)
Raster data (531)
Satellite imagery (1,367)
Satellite maps (5)
Vector data (845)
Provider
Ann Arbor Data Catalog (20)
Anne Arundel County GIS Data (16)
Athens Conservancy GIS Center (17)
Baltimore County Open Data Portal (5)
Becker County GIS Data Downloads (7)
CMAP (Chicago Metropolitan Agency for Planning) Data Hub (6)
Carver County GIS Data (2)
Center for Ancient Middle Eastern Landscapes, Institute for the Study of Ancient Cultures, University of Chicago (1,330)
Chester County GIS Data (2)
City of Chicago Data Portal (31)
Cook Central (17)
Cook County Open Data (65)
Cornell (49)
Crawford County Open Data (1)
Cuyahoga County Open Data (2)
Data Downloads - Montgomery Planning (14)
Delaware Valley Regional Planning Commission (DVRPC) (1)
Detroit Open Data (1)
DuPage County GIS (1)
Evansville, Vanderburgh County, Indiana Open Data Collection (5)
Franklin County Auditor, Ohio Open Data (2)
GEOhio Spatial Data Discovery Portal (9)
GIS Data Downloads for Champaign County, Ohio (2)
GIS Data Downloads for Erie County, Ohio (22)
GIS Data Downloads for Fairfield County Auditor's Office, Ohio (7)
GIS Data Downloads for Geauga County Auditor, Ohio (3)
GeoDa Data and Lab (12)
Harford County Planning and Zoning Open GIS (4)
Harvard (2)
Hoosier Resilience Index: Indiana (7)
Humanitarian Data Exchange (504)
Illinois DOT Open Data Portal (11)
Illinois Geospatial Data Clearinghouse (62)
IndianaMap (58)
IowaDOT Open Data (2)
LandScan Global Population Database (5)
Lincoln Open Data and Performance Management (2)
Linn County, Iowa Open Data Portal (6)
Maryland iMap (75)
Milwaukee County GIS Download (3)
Minnesota Geospatial Commons (49)
Minnesota Legislative Coordinating Commission - Geospatial Information (LCC-GIS) (14)
Montgomery County Open Data (4)
Natural Resources Research Institute (2)
New Jersey Department of Environmental Protection's (NJDEP) Bureau of GIS (14)
New Jersey Geographic Information Network (NJGIN) Open Data Portal (9)
North Central PA Hub (1)
Oakland County, MI Open data (2)
Omaha/Douglas County GIS Open Data Portal (10)
Open Data DC (79)
Open Data Minneapolis (12)
OpenDataPhilly (2)
OpenIndy Data Portal (1)
PHLmaps (16)
Pennsylvania Spatial Data Access (PASDA) (223)
Peoria County GIS Open Data Portal (2)
PolicyMap (57)
Polk County GIS Open Data (3)
Prince George's County GIS Open Data (55)
Purdue University (4)
Racine County GIS Download (4)
Rutgers University-New Brunswick (22)
SEMCOG Open Data (2)
Sarpy County GIS Portal (2)
SimplyAnalytics (3)
Social Explorer (107)
South Bend, IN Open Data (1)
Spatial Data for Brown County, Ohio (4)
St Mary's County GIS Downloadable Layers (1)
Stark County GIS Data (2)
State of Michigan Open Data Portal (10)
U.S. Fish and Wildlife Service Open Data (26)
UM Matthaei Botanical Gardens and Nichols Arboretum (2)
UW-Madison Robinson Map Library (752)
University of Minnesota (127)
University of Nebraska-Lincoln (1)
Waukesha County GIS Download (2)
Western Pennsylvania Regional Data Center Open Data (1)
Wisconsin Geological and Natural History Survey (9)
WisconsinView (584)
Year
Begin
–
End
Big Ten Academic Alliance Geoportal
News & Updates
About Us
Contact Project Team
Big Ten Academic Alliance Homepage