Geoportal
About
News
Help
Feedback
Advanced Search
Clear search
Within search
Dc Subject Sm:
Elevation
Dc Type Sm:
Service
Dct Provenance S:
Maryland
Time Period:
2005-2009
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 (1,359)
Imagery (82)
Maps (119)
Web services (248)
Resource Type
Aerial photographs (5)
Cadastral maps (2)
Image data (29)
LiDAR (20)
Line data (44)
Mixed data (8)
OpenIndexMaps (2)
Point data (43)
Polygon data (139)
Raster data (439)
Satellite imagery (30)
Satellite maps (1)
Topographic maps (12)
Vector data (432)
Provider
Allen County GIS Data Download Page (1)
Ann Arbor Data Catalog (2)
Anne Arundel County GIS Data (2)
Athens Conservancy GIS Center (35)
Baltimore County Open Data Portal (7)
CMAP (Chicago Metropolitan Agency for Planning) Data Hub (3)
Carver County GIS Data (2)
Center for Ancient Middle Eastern Landscapes, Institute for the Study of Ancient Cultures, University of Chicago (1)
Cook Central (10)
Cook County Open Data (8)
Cornell (57)
Crawford County Open Data (3)
Data Downloads - Montgomery Planning (4)
Delaware Valley Regional Planning Commission (DVRPC) (1)
Detroit Open Data (1)
Evansville, Vanderburgh County, Indiana Open Data Collection (6)
Franklin County Auditor, Ohio Open Data (2)
Frederick County Open Data (4)
GEOhio Spatial Data Discovery Portal (6)
GIS Data Downloads for Champaign County, Ohio (12)
GIS Data Downloads for Erie County, Ohio (3)
GIS Data Downloads for Geauga County Auditor, Ohio (6)
GIS Data Downloads for Queen Anne's County, Maryland (10)
GeoDa Data and Lab (5)
Harford County Planning and Zoning Open GIS (2)
Humanitarian Data Exchange (57)
Illinois DOT Open Data Portal (1)
Illinois Geospatial Data Clearinghouse (16)
IndianaMap (19)
Iowa Geodata (1)
LandScan Global Population Database (5)
Lincoln Open Data and Performance Management (1)
Linn County, Iowa Open Data Portal (6)
Lorain County GIS Data (5)
Maryland iMap (42)
Michiganology (1)
Milwaukee County GIS Download (2)
Minnesota Geospatial Commons (17)
Minnesota Geospatial Information Office (MnGeo) (1)
Minnesota Legislative Coordinating Commission - Geospatial Information (LCC-GIS) (4)
Montgomery County Open Data (9)
NebraskaMap (1)
New Jersey Department of Environmental Protection's (NJDEP) Bureau of GIS (1)
New Jersey Geographic Information Network (NJGIN) Open Data Portal (3)
Oakland County, MI Open data (3)
Omaha/Douglas County GIS Open Data Portal (3)
Open Data DC (36)
OpenDataPhilly (2)
PHLmaps (5)
Pennsylvania Spatial Data Access (PASDA) (219)
PolicyMap (57)
Prince George's County GIS Open Data (32)
Purdue University (5)
Rutgers University-New Brunswick (37)
Sarpy County GIS Portal (1)
SimplyAnalytics (2)
Social Explorer (56)
St Mary's County GIS Downloadable Layers (1)
State of Michigan Open Data Portal (6)
U.S. Fish and Wildlife Service Open Data (4)
UM Matthaei Botanical Gardens and Nichols Arboretum (1)
UW Digital Collections Center (26)
UW-Madison Robinson Map Library (138)
University of Minnesota (80)
University of Nebraska-Lincoln (5)
Waukesha County GIS Download (2)
Wisconsin Geological and Natural History Survey (6)
WisconsinView (428)
Year
Begin
–
End
Big Ten Academic Alliance Geoportal
News & Updates
About Us
Contact Project Team
Big Ten Academic Alliance Homepage