Geoportal
About
News
Help
Feedback
Advanced Search
Clear search
Within search
Dc Creator Sm:
United States Geological Survey (USGS)
Dc Rights S:
Public
Dct Provenance S:
Penn State
Time Period:
2000-2004
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 (2,477)
Imagery (697)
Maps (190)
Web services (178)
Websites (2)
Resource Type
Aerial photographs (1)
Cadastral maps (14)
Geological maps (2)
Image data (14)
Line data (66)
Mine maps (1)
Mixed data (5)
OpenIndexMaps (2)
Point data (12)
Polygon data (202)
Raster data (1,171)
Remote-sensing maps (35)
Satellite imagery (669)
Satellite maps (7)
Thematic maps (5)
Topographic maps (5)
Tourist maps (1)
Vector data (352)
Provider
Baltimore County Open Data Portal (5)
CMAP (Chicago Metropolitan Agency for Planning) Data Hub (1)
Center for Ancient Middle Eastern Landscapes, Institute for the Study of Ancient Cultures, University of Chicago (695)
City of Chicago Data Portal (4)
Cook Central (9)
Cook County Open Data (6)
Cornell (169)
Delaware Valley Regional Planning Commission (DVRPC) (1)
Evansville, Vanderburgh County, Indiana Open Data Collection (1)
Franklin County Auditor, Ohio Open Data (2)
GEOhio Spatial Data Discovery Portal (1)
GIS Data Downloads for Erie County, Ohio (2)
GIS Data Downloads for Geauga County Auditor, Ohio (26)
GIS Data Downloads for Queen Anne's County, Maryland (13)
GeoDa Data and Lab (14)
Harford County Planning and Zoning Open GIS (2)
Harvard (53)
Humanitarian Data Exchange (454)
Indiana University (7)
IndianaMap (6)
LandScan Global Population Database (5)
Linn County, Iowa Open Data Portal (2)
Lorain County GIS Data (1)
Maryland iMap (15)
Milwaukee County GIS Download (2)
Minnesota Geospatial Commons (12)
Minnesota Geospatial Information Office (MnGeo) (14)
Minnesota Legislative Coordinating Commission - Geospatial Information (LCC-GIS) (4)
Montgomery County Open Data (4)
Natural Resources Research Institute (1)
New Jersey Department of Environmental Protection's (NJDEP) Bureau of GIS (8)
New Jersey Geographic Information Network (NJGIN) Open Data Portal (1)
Oakland County, MI Open data (2)
Omaha/Douglas County GIS Open Data Portal (9)
Open Data DC (10)
Open Data Minneapolis (1)
OpenDataPhilly (3)
PHLmaps (10)
Pennsylvania Department of Conservation and Natural Resources Open Data Portal (1)
Pennsylvania Spatial Data Access (PASDA) (236)
PolicyMap (117)
Prince George's County GIS Open Data (13)
Purdue University (5)
Rutgers University-New Brunswick (8)
Sarpy County GIS Portal (4)
SimplyAnalytics (2)
Social Explorer (48)
St Mary's County GIS Downloadable Layers (1)
Stanford (1,098)
Stark County GIS Data (7)
State of Michigan Open Data Portal (2)
Summit County GIS Data (1)
The Ohio State University (4)
U.S. Fish and Wildlife Service Open Data (4)
UM Matthaei Botanical Gardens and Nichols Arboretum (1)
UW Digital Collections Center (10)
UW-Madison Robinson Map Library (52)
University of Iowa (2)
University of Michigan (1)
University of Minnesota (116)
University of Nebraska-Lincoln (2)
Waukesha County GIS Download (1)
Western Pennsylvania Regional Data Center Open Data (1)
Wisconsin Geological and Natural History Survey (4)
WisconsinView (47)
Year
Begin
–
End
Big Ten Academic Alliance Geoportal
News & Updates
About Us
Contact Project Team
Big Ten Academic Alliance Homepage