State Directories
State Data Centers, University of Montana
Links to state agencies that provide GIS data and other mapping information.
nris.state.mt.us/gis/other.html#state

State GIS and Base Map Data, The Center for Advanced Spatial Technologies, University of Arkansas, Fayetteville
State lists and subject-oriented lists of GIS data sources.
www.cast.uark.edu/local/hunt

State GIS Data Centers, Cornell University Library
www.library.cornell.edu/okuref/maps/state.htm

State GIS Resources, U.S. Department of Transportation
State websites with GIS data on roads, railroads, public transit, navigable waterways, commercial air routes, intermodal connections, and pipelines.
www.bts.gov/gis/links/stategis

State Liaison Responsibilities, National Mapping Program, U.S. Geological Survey
mapping.usgs.gov/www/partners/crreps.html

Online Mapping Tools
American Factfinder, Bureau of the Census, U.S. Department of Commerce
Thematic maps of demographic and housing data from the Census Bureau. Maps can be created for states, counties, metro areas, census tracts, and Indian lands. Can also create reference maps of geographic boundaries.
factfinder.census.gov

Big Book
Produce street-level maps including points of interest, businesses, and driving directions.
www.bigbook.com

Community 2020, U.S. Department of Housing and Urban Development
See the Community 2020 Map Gallery or the Interactive Community Maps for community-level maps of HUDís housing and community development projects. Can be customized with additional HUD or Census Bureau information.
www.hud.gov/cpd/2020soft.html

Demographic Data Viewer, Center for International Earth Science Information Network (CIESIN)
Create maps and calculate statistics for states, counties or census tracts using 220 demographic variables from the Census Bureau.
plue.sedac.ciesin.org/plue/ddviewer

Enviromapper, U.S. Environmental Protection Agency
Easy-to-use mapping tool that provides information on drinking water, toxic and air releases, hazardous waste, water discharge permits, and Superfund sites. Includes links to text reports with more information.
www.epa.gov/enviro/html/em

Enviromapper for Watersheds
Map information about your watershed, including fish consumption advisories, water quality, urban and agricultural runoff, and much more.
maps.epa.gov/enviromapper

Inforain: Bioregional Information System for the North American Rainforest Coast
Regional mapping resource for California, Oregon, Washington, and British Columbia. Includes GIS data in addition to online mapping tools. Map economic, environmental, and community information.
www.inforain.org

Interactive Mapping, Social, Natural and Agricultural Resources Information Laboratory, University of Kentucky
Regional mapping resource for the state of Kentucky. Create thematic maps using data from the census and from BEAís REIS. Also includes data that can be used with ESRIís free ArcExplorer GIS software.
snril.ca.uky.edu/htm/mapping/interactive.htm

MapQuest
Produce local street maps using a street address, town, or zip code.
www.mapquest.com

Maps on Demand, U.S. Environmental Protection Agency
Suite of online mapping tools. Enviromapper maps environmental data at the national, state, and county levels. Query Mapper lets users map facility locations and view the surrounding demographics, land use, land cover, and other features. SiteInfo and other applications let users create informative maps and reports, including facility and demographic information.
www.epa.gov/enviro/html/mod

National Atlas of the United States, U.S. Geological Survey
Online mapping tool with a broad range of variables, including geographic boundaries, federal and Indian lands, biological species, land cover, environmental data from the EPA, geology, health and demographics, and transportation routes. Most are available for download as GIS map layers.
www.nationalatlas.gov

Online Hazards Maps, Federal Emergency Management Agency and Environmental Systems Research Institute
Floodplain maps. Click on Online hazard maps, fill in the name of your community, and see the location of 100- and 200-year flood plains. Not all areas have been mapped.
www.esri.com/hazards

Scorecard, Environmental Defense Fund
Map environmental data from the EPA, including air and water quality, for your community. Provides graphs and tables with more information next to the maps.
www.scorecard.org

Southwest Data Center, Inc.
Mapping resource for Colorado. Includes an online mapping tool plus GIS data and resources.
www.landuse.com

Thematic Mapping, Environmental Systems Research Institute, Inc. (ESRI)
Create state maps showing census data by county. Demographic variables and a few housing variables.
maps.esri.com/ESRI/mapobjects/tmap/tmap.htm

University Geography Departments, American Association of Geographers
Contact a university geography department in your state to see if there are any online mapping tools for your region.
www.aag.org

Virginia County Interactive Mapper, University of Virginia
Mapping resource for any Virginia county or independent city. Create maps online, or download the data to be used in your own GIS program.
fisher.lib.virginia.edu/tiger/1994

Web GIS and Interactive Mapping Sites, Berkeley Digital Library SunSITE, University of California Berkeley and Sun Microsystems, Inc.
Links to many online mapping tools.
sunsite.berkeley.edu/GIS/intergis.html

Wetlands Interactive Mapper Tool, U.S. Fish & Wildlife Service
Create maps using data from the National Wetlands Inventory. To see what the colors on the maps mean, identify a point and then click on the attribute text. This runs a program that interprets the attribute and gives a description. A Wetlands Attributes glossary will be available shortly.
www.nwi.fws.gov/wetlands_interactive_mapper_tool.htm

Wyoming Internet Map Server, University of Wyoming
Mapping resource for Wyoming. Create maps of geology, soils, water, geographic boundaries, species and habitat, satellite imagery, historic sites, and socioeconomic variables.
wims.sdvc.uwyo.edu

Geographic Information Systems (GIS)
About GIS, Environmental Systems Research Institute, Inc. (ESRI)
Describes uses of GIS.
www.esri.com/library/gis

About Our Maps, State of the Land, Natural Resources Conservation Service, U.S. Department of Agriculture
Information about how Natural Resources Conservation Service created its online maps, and tools for those who wish to use its data to produce their own maps. Includes basemaps, coverages, templates, data resources, and tips.
www.nhq.nrcs.usda.gov/land/aboutmaps

American Indian Lands Environmental Support Project, U.S. Environmental Protection Agency
Map information about facilities monitored by the EPA and located within five kilometers of tribal areas. Data can be downloaded for use in your own GIS program.
es.epa.gov/oeca/ailesp

ArcData Online, Environmental Systems Research Institute, Inc. (ESRI)
Search this database for free GIS data from ESRI. Can also be used as a simple online mapping tool.
www.esri.com/data/online

ArcExplorer, Environmental Systems Research Institute, Inc. (ESRI)
Free GIS software that creates maps using data from ESRIís ArcData online, other GIS data sources, or your own datasets. A scaled-down version of ArcView. Includes legends, overview maps, multiple views, saving and retrieving views, and map printing. GIS functionality includes pan, zoom, address matching, identify, query, and more.
www.esri.com/software/arcexplorer

ArcView, Environmental Systems Research Institute, Inc. (ESRI)
Leading GIS software.
www.esri.com/software/arcview

BASINS, Better Assessment Science Integrating Point and Nonpoint Sources, U.S. Environmental Protection Agency
Mapping software for local, state, and regional use to assess water quality and watershed health. GIS data include geographic boundaries, environmental monitoring data and point source data, land cover, urbanized areas, meteorological data, elevation, and much more.
www.epa.gov/OST/BASINS

Business Geographics, GeoPlace.com
Monthly GIS publication concentrating on business applications. Current issue is available online. Once a year, the magazine provides an evaluation of GIS software. See GEOWorld for discussion of natural resource applications of GIS.
giseurope.com/html/print.asp

CarteGraph Online, CarteGraph Systems, Inc.
Suite of software programs for managing local resources like sewer lines, lighting systems, street signs, pavement conditions, and much more. Can be integrated with GIS and other software including ArcView, AutoCAD, and CarteGraphís own MAPDirector. Used by the City of Grand Terrace.
www.cartegraph.com

Cartographic Boundary Files, Bureau of the Census, U.S. Department of Commerce
Selected boundary files from the TIGER geographic database for use in GIS or other mapping programs. Available to the general public on an "as is" basis. Also includes links to non-Census Bureau boundary file tools and information.
www.census.gov/geo/www/cob

Community 2020, U.S. Department of Housing and Urban Development
GIS software with a built-in database of 640 Census data elements plus Housing and Urban Development program information. Meant for use in planning, mapping, and communication.
www.hud.gov/cpd/2020soft.html

Crime Mapping Research Center, National Institute of Justice, U.S. Department of Justice
Information about mapping incidents of crime, and access to crime mapping software.
www.ojp.usdoj.gov/cmrc

Data Hound, Environmental Systems Research Institute, Inc.
Lets you search for websites that allow free download of mapping data compatible with ESRIís GIS software.
gis.esri.com/datahound/main.cfm

Demographic Data Cartogram Service, Center for International Earth Science Information Network (CIESIN) and Socioeconomic Data and Applications Center (SEDAC)
Demographic data from the Census Bureau for GIS use. Data are provided without charge for research and instructional use only.
plue.sedac.ciesin.org/plue/ddcarto

Digital Line Graphs (DLG), U.S. Geological Survey
GIS data that can be used for basemaps. Includes state and county boundaries, roads, rivers, and much more.
mcmcweb.er.usgs.gov/status/dlg_stat.html or
viva.lib.virginia.edu/gic/spatial/dlg.browse.html

Dynamap/2000 U.S. Street Database, Geographic Data Technology, Environmental Systems Research Institute, Inc.
Contains more than 14 million addressed street segments, in addition to postal boundaries, landmarks, and water features. A version for ArcData Online is called Dynamap/2000 ADOL.
www.esri.com/data/online/dynamap

EtakMap, Etak, Inc.
Specializes in digital street maps for use in GIS programs. Data include addresses, street names, and zip codes.
www.etak.com

Geodata Information Sources, Center for Global and Regional Environmental Research, University of Iowa
Links to GIS software and data sources.
www.cgrer.uiowa.edu/servers/servers_software.html#gis and
www.cgrer.uiowa.edu/servers/servers_geodata.html

Geographic Data Technology, Inc.
Company that works closely with local governments to clean up TIGER files.
www.geographic.com/products/index.cfm

Geographic Information Services, U.S. Department of Transportation
Mapping data related to transportation, mapping software, state and federal GIS resources, and a map gallery.
www.bts.gov/gis

Geographic Information Systems, U.S. Geological Survey
Description of GIS, including applications and how it works.
www.usgs.gov/research/gis/title.html

Geographic Names Information System, U.S. Geological Survey
Official repository of domestic geographic names information. Includes federally recognized name and location by state, county, and geographic coordinates for almost 2 million physical and cultural geographic features in the United States.
www-nmd.usgs.gov/www/gnis

GeoMedia, Intergraph
GIS program software that can be integrated with all major GIS programs. Includes spatial analysis tools, and allows creation of custom applications. Intergraph also sells county-level data and provides GIS training.
www.intergraph.com/geomedia

GIS Data Depot, GeoComm International Corporation
Free GIS data such as geographic boundaries, geology, hydrology, land use and land cover, wetlands, transportation, utilities, vegetation, and more.
www.gisdatadepot.com

GIS Data for Water Resources, U.S. Geological Survey
 GIS map layers, including geographic boundaries, rivers, aquifers, reservoirs, water quality and use, climate, land use, and much more.
water.usgs.gov/GIS

GIS Glossary, Environmental Systems Research Institute, Inc.
Glossary of GIS terms.
www.esri.com/library/glossary/a_d.html

Government Solutions, MapInfo Corporation
Includes GIS applications tailored to government needs, a government e-news list, government discussion forums, and free seminars.
www.mapinfo.com/solutions_and_services/interest_areas/government

Guide to Mostly Online and Mostly Free U.S. Geospatial and Attribute Data, Center for Advanced Spatial Technologies, University of Arkansas, Fayetteville
Good resource for finding online GIS data.
www.cast.uark.edu/local/hunt

Guide to Popular USGS Geospatial Data Products, National Spatial Data Clearinghouse, U.S. Geological Survey
Links to USGS GIS data, including Digital Elevation Models, Digital Line Graphs, Digital Satellite Images, and much more.
nsdi.usgs.gov/pages/geninfo2.html

INDEX: Software for community indicators, Criterion Planners / Engineers
GIS software used to track local community indicators. Includes land-use, housing, employment, transportation, infrastructure, and the natural environment. It is an ESRI ArcView extension.
www.crit.com/#IS

LandView III: Specialized Computer Mapping Application, Bureau of the Census, U.S. Department of Commerce
Map EPA-regulated sites, demographic and economic census data, streets, water features, and political and census boundaries. Sample software and data may be downloaded for a single county. Ordering information is included.
www.census.gov/geo/www/tiger/landview.html or
www.census.gov/apsd/pp98/pp.html

Manifold GIS System, manifold.net
Commercial GIS software that includes data from the Statistical Abstract of the United States, USA Counties 1996, and the City and County Databook.
www.manifold.net/big_index.html

Map Layers Warehouse, National Atlas of the United States, U.S. Geological Survey
Download the GIS map layers used in the National Atlas. Website provides file type and size, metadata, date of most recent release, and information for ordering data on CD-ROM.
www.nationalatlas.gov/atlasftp.html

MapInfo, MapInfo Corporation
Widely used GIS software. Website includes discussion forums and an e-news list for people working in government.
www.mapinfo.com

Microsoft MapPoint 2000, Microsoft Corporation
Easy-to-use mapping software that includes maps and data for the whole nation. Maps can be produced for street-level addresses. Data include census data for household size, income, ethnicity, age, and more. Makes it easy to place maps in documents or to transfer your data from a spreadsheet to a map. Targeted to business users.
www.microsoft.com/catalog/display.asp?site=784&subid=22&pg=1

National Gap Analysis Program, U.S. Geological Survey
Once the GAP Analysis is complete for your state, you can download GIS data layers, or order the data on CD-ROM.
www.gap.uidaho.edu/Projects/Data.asp

National Geospatial Data Clearinghouse
Collection of over 100 data servers with geographic data primarily for use in GIS programs, image processing systems, and other modeling software.
fgdc.ftw.nrcs.usda.gov/gateways.html or
nsdi.usgs.gov

National Mapping Information, U.S. Geological Survey
Includes links to regional mapping centers with state contact information, online mapping services, National Spatial Data Infrastructure, downloadable data, and partnership opportunities.
mapping.usgs.gov

National Shapefile Repository, U.S. Environmental Protection Agency
Variety of GIS coverages including EPA-regulated facilities; TIGER ë95 roads, streams, water bodies, and state and county political boundaries; USGS hydrologic cataloguing units, federal lands, cities and towns; metropolitan statistical areas; and more.
www.epa.gov/enviro/html/nsf_index.html

National Spatial Data Infrastructure Initiative
National initiative laying out federal standards, policies and procedures for producing and sharing geographic data.
fgdc.er.usgs.gov/nsdi/nsdi.html

National Spatial Data Infrastructure Project, U.S. Geological Survey
Encourages local use of geographic data. Website includes information on several demonstration projects.
www.fgdc.gov/nsdi/nsdi.html

National Transportation Atlas, U.S. Department of Transportation
Data developed by the Department of Transportation and other federal agencies including transportation facilities, networks, and services. Designed to be used with GIS software.
www.bts.gov/ntda/ntatlas

National Wetlands Inventory, U.S. Fish and Wildlife Service, U.S. Department of the Interior
Maps and GIS data for wetlands. Digitized wetlands data can be integrated with other layers of the National Spatial Data Infrastructure such as natural resources and cultural and physical features.
www.nwi.fws.gov

Selecting ArcData Sets, Environmental Systems Research Institute, Inc.
Questions to consider before searching for GIS data sources and data.
www.esri.com/data/select.html

TIGER (Topologically Integrated Geographic Encoding and Referencing) System, Bureau of the Census, U.S. Department of Commerce
A digital database of geographic features, such as roads, railroads, rivers, political boundaries, census statistical boundaries, etc. covering the entire United States. TIGER data can be used to produce maps ranging in detail from a neighborhood street map to a map of the U.S. Demographic statistics are not included. Purchase data from the Bureau of the Census, or download it free from ESRIís website.
www.esri.com/data/online/tiger or
www.census.gov/geo/www/tiger

U.S. Gazetteer Place and Zipcode Files, Bureau of the Census, U.S. Department of Commerce
Part of the TIGER Mapping Service. Catalog of counties, places, and zipcodes that lets you find a place by name without having to know the latitude/longitude coordinates.
ftp.census.gov/geo/www/gazetteer/places.html

University Geography Departments, American Association of Geographers
Contact a university geography department in your state for help with GIS, remote sensing, or analysis of satellite imagery.
www.aag.org

Miscellaneous Sites
ESRI Local Government Grants, Environmental Systems Research Institute, Inc.
www.esri.com/industries/localgov/esri_grants.html

State and Local Government, Environmental Systems Research Institute, Inc.
ESRIís current examples showing application of GIS in local government.
www.esri.com/industries/localgov/localgov.html

Listservs
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