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The
Harvard Geospatial Library
The
Harvard-MIT Data Center
-
Catalogue
of Digital Elevation Data
Descriptions of elevation and bathymetric datasets that are available
as ASCII files. Includes a section on available software for display
and manipulation of data.
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CIESIN
Gateway
Identifies data and information resources related to global environmental
change and sustainable development. Facilitates simultaneous search
and retrieval across diverse databases worldwide.
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Coastline
Extractor - USGS
Extract coastline segments bounded by a specified latitude/longitude
range in Mapgen, Arc ungenerate, Matlab and Splus formats.
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DATA
Depot
Private data agency that has both free and purchasable data sets.
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EcoCart
An organization that promotes the diffusion of knowledge concerning
climates, oceans, waste, environment, forestry, fisheries, ecology,
water, vegetation, evolution, animals, world’s plants, earth biodiversity
and others organisms.
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Earthwatch
Commercial vendor that produces custom GIS data.
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Geocommunity
offers two files of thousands of place names in shape and mid/mif
formats
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Data
on Global Climate Change
A wealth of data from the NASA Goddard Institute for Space Studies.
Topics include Global Climate Modeling; Earth Observations including
climatology, radiative fluxes and storm patterns; Climate Impacts
and Forcings due to aerosols, carbon dioxide and methane; and Astrophysics.
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MapXpress
Commercial data vendor run by the makers of MapInfo.
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NOAA
Satellite Active Archive
A digital library of real-time and historical satellite data from
NOAA's Polar-orbiting Operational Environmental Satellites (POES).
The system allows users to search satellite data inventories, preview
sub-sampled Earth images of that data and download the actual data
for further processing and analysis.
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SPOT
Image Home Page
information about the French SPOT satellite: how it works, how to
use the data, and where to buy it.
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Africa
- Africa
Data Dissemination Service
A joint effort of the U.S. Assistance for International Development
and the EROS Data Center of the U.S. Geological Survey
Antarctica
- Antarctica
Online
Hosted by the Australian Antarctic Division of the Department of the
Environment and Heritage
- Antarctic
Digital Database
Courtesy of the British Antarctic Survey; in ARC/INFO export format
Canada
- Centre
for Topographic Information
at Canada's national topographic mapping agency
- DMTI
sells data including streets
- Geocommunity
offers a 22,232-record file of place names derived from the NIMA GNS
names server
- Geogratis,
a site for free data
Caribbean
- Biodiversity
of the Caribbean Region
Environmentally-important organisms (conch, finwhale, spermwhale, humback,
rightwhale, lobster, shrimp, manatee, coral reefs, seagrass and the
wetlands) and an overview of natural resources and human activities,
including five major ecosystem types, 11 major habitat types, and 191
ecoregions.
China
- China
Dimensions Data Collection
Among the many, many data sets are digital administrative boundaries;
county-level data on population, agriculture, economics and hospitals;
and interactive access to the 1982 census of population.
Croatia
- Geocommunity
offers a file of place names derived from the NIMA GNS names server
Greece
- Geocommunity
offers a file of place names derived from the NIMA GNS names server
India
- Geocommunity
offers a 36,839-record file of place names derived from the NIMA
GNS names server
Italy
- Geocommunity
offers a 33,491-record file of place names derived from the NIMA
GNS names server
Jamaica
- An
overview of the island plus a detail of Montego Bay
Boundaries of the fourteen parishes. The detailed set for Montego Bay
contains land use, enumeration district boundaries, housing topology,
perennial streams and rivers, primary, secondary and town roads, contours,
zoning, "Urban Fence", open land suitability analysis, and place names.
Mexico
- Geocommunity offers a 90,000-record
file of place names derived from the NIMA GNS names server; parts one
and two
- Georeferenced
Population Data Sets of Mexico
Includes approximately 100,000 records of geographic and census items
for Mexican states, municipalities, and localities. The geographic records
consist of state boundaries, place names, geographic coordinates of
more than 30,000 urban and metropolitan places, and elevation data for
more than 700 urban places. The census records contain estimates of
1990 population density, population by gender, and population by age
bracket). For 706 selected urban localities, the population is traced
back by decades, from 1990 to 1921, based on census documents.
- Soils
map of Mexico at 1:1,000,000
Serbia
- Geocommunity
offers a 28,975-record file of place names derived from the NIMA GNS
names server
United Kingdom
- The United Kingdom Environmental
Data Index (UKEDI) is a meta-information system on environmental
datasets
- Geocommunity
offers a 30,977-record file of place names derived from the NIMA GNS
names server
- Border
EcoWeb
Environmental information on the U.S.-Mexican border region.
- Bureau
of the Census
Directory to a number of census-related data resources including many
types of cartographic boundary files.
and state population
estimates
- Visit
the TIGER
home page, which provides technical documentation, viewing software,
and data from the Topologically Integrated Geographic Encoding and
Referencing System. ESRI
also offers free TIGER data in shapefile format.
- Center
for Advanced Spatial Technologies
A subject-oriented index to spatial data resources. Maintained by
Stephan Pollard
- CIESIN's
Anonymous FTP Service
Downloadable archives of census related data products.
- DATA
Depot
Private data agency that has both free and purchasable data sets.
- Demographic
Data Viewer
Provides rapid data mapping, viewing and analysis. Supports US Census
demography data (STF3A 1990) and boundary files (TIGER 1992)
- U.S
Department of Transportation - Bureau of Transportation Statistics
Download the BTS background databases such as point data for place
names, polygon data for the U.S. States, counties, urbanized areas,
Federally Adjusted urbanized areas, congressional districts, metropolitan
statistical areas, Bureau of Economic Analysis Regions, National Transportation
analysis Regions, and National Parks.
- US
EPA processed USGS Land Use and Land Cover Data
1:250,000 USGS Land Use and Land Cover data have been transformed
from GIRAS format into .e00 format. They are available for FTP downloading
by topographic quadrangle.
- EROS
Data Center (U.S. Earth Resources Observation Systems Data Center)
Includes pointers to EROS affiliates and data products. The GLIS
( Information System) offers pointers to detailed descriptions
of government data products. To locate data, access the GLIS database
with full graphics capability by telnet using an X client. Text only
telnet access is also possible for other users.
- Natural
Resources Conservation Service
Describes the NRCS Data resources and how to obtain the data, including
Natural Resources Inventory, Digital Orthophtography, Plants, and
Soils data .
- Federal
Geographic Data Committee
Provides links to Federal Geospatial Data Links, FGDC Geospatial Information
Links by State, FGDC University Geospatial Information Links, and
FGDC Geospatial Information Links (Foreign).
- Historical
United States County (HUSCO) Boundary Files
The Louisiana State University has put together in ArcView shapefile
format county boundary files for the contiguous United States for
each decade from 1790 through 1990. Not free.
- InfoRain
InfoRain is the Bioregional Information System for the coastal temperate
rainforest of North America which stretches from San Francisco to
Kodiak Island in Alaska. It's a network of accessible and useful information
at multiple scales covering topics as disparate as demarcations of
bioregions and watersheds, salmon stock levels and travel to work
patterns.
- University
of Iowa Center for Global and Environmental Research
Very extensive, well-maintained list of Geodata Information Sources
resources.
- National
Imagery and Mapping Agency
NIMA data products, including Digital
Terrain Elevation Data (DTEDr) Level 0 30 Arc Second Terrain Data
.
- The
National Atlas of the United States
This excellent atlas allows users to download data in shapefile, dbf,
or sdts formats. Layers include boundary files at different political
levels, information on moths and butterflies, census, transportation,
water, and many other data types. Information was gathered at scales
of 1:2,000,000 or 1:2,500,000.
- USGS
National Mapping Program
Directory of products, information, and services, including maps,
satellite imagery and digital geospatial data.
- WWW
Sites with PLSS Data
List of sites containing PLSS (public land survey system) data, also
called TRS (township, range, section.)
- MapXpress,
Mapping Superstore
Commercial data vendor (MapInfo).
- Right-to-Know
Network provides free access to numerous databases, text
files, and conferences on the environment, housing, and sustainable
development. Much of the data can be downloaded in tabular form, then
linked to GIS data.
- The State
Soil Geographic (STATSGO) Database Browser is a menu-based
tool that provides access to the Natural Resources Conservation Service's
STATSGO soils database
- USGS
National Geospatial Data Clearinghouse
The main node of the National Spatial Data Infrastructure including
the data products list
- USGS
Geology data
GIS data in ARC/INFO format from USGS.
State GIS
Data Resources
In addition to the following
links, check ESRI's GIS
Jump Station site which is also sorted by state.
Alaska
- Alaska
Department of Natural Resources
A gateway to data on Alaska, much of it environmental.
Arkansas
- Catalog
of Arkansas Digital Spatial Data
Available through the Center for Advanced Spatial Technologies at University
of Arkansas, Fayetteville.
Arizona
- Arizona
Geographic Information Council
Site includes documentation of activities only. Data access not yet
available.
- The
Arizona State University Libraries' Map Collection
The ASU Libraries' Map Collection contains over 15,000 contemporary
and historical aerial photos related to Arizona and the Phoenix metropolitan
area.
California
- California
Environmental Resources Evaluation System (CERES)
Developing an electronic system to facilitate access to a variety of
spatial and environmental data. Among the many currently available facilities
is the CERES TIGER Data Request
system which allows users to retrieve metadata or GIS data from
the TIGER database based on user specified county, theme, and format.
- State
of California,Teale Data Center
The GIS Technology Center maintains a data library of over 35 types
of geography. Library coverages are in ARC/INFO format and are convertible
to other file formats as required.
- Online
Geographic Information from the CA State Lands Commission GIS Unit
Wide range of data offered in ARC/INFO workspaces.
- San
Francisco Bay Area Regional Database (BARD)
Access to DEMS, DRGs, DLGs, and DRQ's for Bay Area Region.
- San
Diego Association of Governments (SANDAG)
Provides selected digital thematic geographic data laters in ArcInfo
export format.
- ABAG
(Association of Bay Area Governmants) Regional Data Center
Census, employment, retail, zip code data and projections.
- Land
use Planning Information Network (LUPIN)
Searchable index of land use and planning information (clickable map
and text interfaces)
Colorado
- Colorado
Natural Resources Online
- Southwestern
Colorado Data Center
Connecticut
- MAGIC
(Map and Geographic Information Center) University of Connecticut, Homer
Babbidge Library
Downloadable ARC/INFO and MapInfo coverages for a wide variety of themes
in statewide, county, quadrangle and city/town data sets. Also northeast
Atlantic states data.
Florida
- Florida
Data Directory
From the Florida Growth Management Data Network Coordinating Council
and Florida State University, Dept. of Computer Science, Florida Research
and Environmental Analysis Center. Allows user to search for data sets
according to field names, inverted index, gridded hypermap, keyword
query, or data type.
Georgia
- The Georgia GIS
Data Clearinghouse
Idaho
-
Illinois
- Illinois
Natural Resources Network
Information about environmental and natural resources information for
Illinois, including a description of the Statewide
Landcover Database.
- Illinois
Bioregion Information Bank
Statistics, images and research.
- Some
Chicago GIS Data
from the University of Chicago Library Information System
Indiana
Iowa
Mississipi
- Mississippi
Automated Resource Information System (MARIS)
Information on data available for order.
Missouri
- Missouri
Spatial Data Information Service
Downloadable data organized by information may be accessed by region.
In ARC/INFO export format.
Montana
-
GIS data sets
A huge array of administrative districts, land boundaries, educational,
park, electoral divisions, mines,landfills, energy sites, waterstations.
And more! But unfortunately you must perfrom part of the search from
this site.
Nebraska
- Nebraska
Natural Resources Commission, GIS Data Library
Form-based queries using scrollable lists allow the user to search for
available data sets.
- Nebraska
Geospatial Data Clearinghouse
A searchable catalog of information about available, spatially-referenced
data covering geographic areas of Nebraska.
New Hampshire
New Jersey
New York
- Cornell
University Geospatial Information Repository
An active online repository providing geospatial data and metadata for
New York State.
- New
York State Clearinghouse for Geographic Data.
The New York State GIS Metadata Repository, a part of the New York State
GIS Clearinghouse, is a list of geographic datasets.
North Carolina
- North
Carolina Geographic Data Clearinghouse
at the North
Carolina Center for Geographic Information and Analysis,
provides information about the North Carolina Corporate Geographic Database.
Ohio
Oklahoma
- Oklahoma
Spatial and Environmental Information Clearinghouse (SEIC)
(Oklahoma State University) Provides access to an FTP site with TIGER
92 data, DLG's, DEM's, LU/LC data, wetlands inventory data, and census
data.
Oregon
- Oregon's
Service Center for GIS
Access to statewide data sets for various themes at various scales.
Data sets also available by county. Data sets are available as zipped
ArcInfo single precision coverages.
- Oregon
Department of Forestry GIS data in ArcInfo export file format
(.e00)
Pacific Northwest
- Pacific
Northwest Environmental Data Library
EPA facility points, Native American Lands, Soil Source Acquifers, Toxic
Release Inventory, and other data in downloadable Arc/Info export format.
Pennsylvania
- Canaan
Valley Institute, GIS data and map resources
- Pennsylvania
Spatial Data Access: Pennsylvania's NSDI node for GIS data
- Pennsylvania
Mapping and Geographic Information Consortium, GIS user group
with a number of very good links to governmental agencies throughout
the state
Rhode Island
- Rhode
Island Environmental Data Center
Including Rhode
Island Geographic Information System (RIGIS)
South Carolina
- South
Carolina Department of Natural Resources
Hydrological data, stream stage reports, oceonographic data.
Texas
- Texas
GIS Planning Council
Concerned with the acquisition of geographic information and data development.
- The Texas
Natural Resources Information System (TNRIS)
is putting data sets on-line.
- USGS
Texas Office
Utah
Virginia
- University
of Virginia Library has an extensive
list of GIS resources at their Geospatial and Statistical Data Center
West Virginia
- West
Virginia GIS Data Repository
Service provided by West Virginia Division of Environmental Protection.
DEMs, basemaps, toxic release data and water data. Web-based map generation
also provided.
Washington
Wisconsin
- Wisconsin
Land Information Clearinghouse
A gateway to geospatial data and metadata, related land and resource
information, and the Wisconsin agencies which produce or maintain them.
Includes a searchable metadatabase.
- Wisconsin
Dept. of Natural Resources Geographic Services Section
Valuable information on statewide data sets held by the Wisconsin DNR
including these data
layers.
General GIS Reference
General GIS references available on the Internet include a variety of GIS Dictionaries, Bibliographies, and compilatioin resource lists of GIS related Internet sites.
Bibliographies
Dictionaries
Copyright 1999 by the President and Fellows of Harvard College
GIS List Serves and Discussion Groups
General GIS
GIS-L Frequently Asked Questions (FAQ)
Provides answers to commonly asked questions about GIS,
solutions to common problems, and pointers to resources. You can also consult the GFI list archives
AAG GIS Specialty Group HyperNews Forum
An experimental
service assessing the usefilness of a distributed,
collaborative WWW research forum on current trends and research interests in
the field of Geographic Information Systems. An attempt to build a comprehensive hypermedia archive of WWW and Usenet materials.
AI-Geostats Web Site
Site for the mailing list devoted to discussing issues related to spatial data analysis and geostatistics.
University Geographic Information System Network
An international contact network for GIS researchers and educators and a meeting place for all who insist on using Macintosh for GIS.
waphgis, a GIS discussion group for Public Health purposes hosted by the
Northwest Center in cooperation with the Washington State Department of Health.
General ESRI
Subscribe to ESRI-L
Listserve for users of all ESRI Products, except ArcView.
ESRI Technical Support
Including searchable FAQ's by software category.
ESRI Discussion Forums
A Web based discussion forum for users to exchange technical documentation and advice concerning ESRI desktop products. Product Discussion Conferences include ARC/INFO, Spatial Database Engine, ArcCAD, ArcView GIS, PC ARC/INFO and DAK, MapObjects, BusinessMAP, and special interest conferences such as GIS in Schools and Libraries and GIS in Higher Education
ESRI Chat Server
Provides real-time discussions with other ESRI software users.
University of Minnesota Gopher Archives of ESRI-L, ARCVIEW-L, and other GIS Listserves
Searchable archives of ESRI-L, ArcView-L and other GIS and Remote Sensing Listserves.
ArcView
Subscribe to ARCVIEW-L
Discussion Listserve for ArcView users
ArcView-L Mailing List Archives
Includes keyword search option.
ArcView Frequently Asked Questions and Answers
Maintained on ESRI's web site.
ArcView Knowledge Base
Includes searchable summaries of the ArcView-L mailing list.
ARC/INFO
ARC/INFO Knowledge Base
Includes searchable summaries of the ESRI-L mailing list.
ESRI-L Archive Keyword Search
University of Minnesota's E-mail archives of the ARC/INFO users discussion group. Summaries of responses to user questions are particularly useful. Some other remote sensing and GIS listserv archives can be searched at the same site.
MapInfo
GISnet BBS' MapInfo Support Page
MapInfo demos, FTP site, mailing list, and catalog pf products.
GRASS
Geographic Resources Analysis Support System (GRASS) Home Page
Pointers to resources for GRASS users and lists of ongoing projects.
Atlas GIS
Subscribe to AGIS-L
Listserve for Atlas GIS users.
Atlas GIS Discussion Forum
Live on the Web discussion forum for Atlas GIS users.
CIESIN List Archives
Searchable archives of the AGIS-L listserve.
ArcExplorer
ArcExplorer Discussion Forum Live discussion forum for ArcExplorer users.
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