GIS at Connecticut College

United States Census

American Fact Finder

http://factfinder.census.gov

2000 Census home page

http://www.census.gov/main/www/cen2000.html

Summary File 1 technical documentation

http://www.census.gov/prod/cen2000/doc/sf1.pdf

Summary File 2 technical documentation

http://www.census.gov/prod/cen2000/doc/sf2.pdf

Summary File 3 technical documentation

http://www.census.gov/prod/cen2000/doc/sf3.pdf

Summary File 4 technical documentation

http://www.census.gov/prod/cen2000/doc/sf4.pdf

American Factfinder tables list (searchable)

http://ssdc.ucsd.edu/ssdc/browse/sf1_3tables3.pdf

geographic areas reference manual

http://www.census.gov/geo/www/garm.html

geographic terms and concepts

http://www.census.gov/geo/www/tiger/glossry2.pdf

Census Bureau geography homepage

http://www.census.gov/geo/www/index.html

cartographic boundary files, ArcView formats

http://www.census.gov/geo/www/cob

block group maps by state and county, pdf format

http://ftp2.census.gov/plmap/pl_blk

tract maps by state and tract, pdf format

http://ftp2.census.gov/plmap/pl_trt

voting district maps by state and district, pdf format

http://ftp2.census.gov/plmap/pl_vtd

list of maps (with Census 1990), pdf format

http://www.census.gov/geo/www/maps/CP_MapProducts.htm

TIGER Line File information and downloads

http://www.census.gov/geo/www/tiger

TIGER Line File technical documentation

http://www.census.gov/geo/www/tiger/tiger2k/tiger2k.pdf

Censuswatch home page

http://www.esri.com/censuswatch/index.html

Census 2000 downloads from ESRI

http://www.esri.com/data/download/census2000_tigerline/index.html

quick reference for ESRI abbreviated SF1 files

http://www.esri.com/censuswatch/sf1_ref.html

quick reference for ESRI abbreviated PL 94-171 files

http://www.esri.com/censuswatch/pl94-171_ref.html

1990 Census data home page

http://www.census.gov/main/www/cen1990.html

processed 1990 Census data

http://sedac.ciesin.org/plue/cenguide.html

processed 1990 Census data

http://www2a.cdc.gov/nceh/lead/census90/house11/housdesc.htm

1970-1990 Census data for Census 2000 geography

http://www.freedemographics.com

historical Census data with geography

http://www.ipums.umn.edu/usa/index.html

historical Census data

http://fisher.lib.virginia.edu/census

public use training modules (Powerpoint)

http://www.census.gov/mso/www/rsf/index.html

public use presentation library (Powerpoint)

http://www.census.gov/mso/www/pres_lib/index2.html

American Factfinder tutorial

http://www.lib.umich.edu/govdocs/census2/cen2000.htm

glossary of Census terms

http://eire.census.gov/mod-perl/ssd/Glossary

glossary of Census geography terms

http://www.census.gov/geo/lv4help/cengeoglos.html

Census subjects index

http://www.census.gov/acsd/www/subjects.html

Statistical Abstract of the United States

http://www.census.gov/statab/www

State Data Repositories

National States Geographic Information Council

http://www.nsgic.org/related_sites/index.cfm

NSDI

http://www.geo-one-stop.gov/StateLinks/index.html

BTS

http://www.bts.gov/gis/stategis/index.html

CHAART

http://geo.arc.nasa.gov/sge/health/links/links.html

University of Arkansas CAST

http://www.cast.uark.edu/local/hunt/index.html

MIT GIS Laboratory

http://libraries.mit.edu/gis/data/statecenter.html

University of Oregon Libraries

http://libweb.uoregon.edu/map/map_section/map_Statedatasets.html

U.S. Bureau of Land Management

United States Fish & Wildlife Service

FWS GIS home page

http://www.fws.gov/data/gishome.html

FWS spatial data source list

http://www.fws.gov/data/datafws.html

National Wetlands Inventory

http://www.nwi.fws.gov

GIS data sets by state

http://www.fws.gov/data/statdata

Pacific Region GIS home page

http://www.r1.fws.gov/gis/default.html

Northeast Region GIS home page

http://northeast.fws.gov/gis

Mountain-Prairie Region GIS home page

http://northeast.fws.gov/gis

Environmental Protection Agency

EPA NSDI node

http://www.epa.gov/nsdi

theme-based browse

http://www.epa.gov/nsdi/pages/theme_browse.html

Envirofacts Data Warehouse

http://www.epa.gov/enviro/index.html

National Atlas maps from EPA

http://www.epa.gov/eq/atlas/nationalatlas/nationalmaps.html

Air Markets GIS data download site

http://www.epa.gov/airmarkets/cmap/data/index.html

Office of Water Nutrient Ecoregion database

http://www.epa.gov/waterscience/standards/ecomap.html

Hazardous Waste Combustion database

http://www.epa.gov/combustion/riskdoc3.htm

Region 2 GIS data page

http://www.epa.gov/region02/gis/data.htm

Region 3 GIS data page

http://www.epa.gov/reg3hwmd/iacp/gisdata.htm

Region 4 GIS page

http://www.epa.gov/region4/gis/index.html

Region 5 GIS page

http://www.epa.gov/reg5ogis

Region 5 GIS data page

http://www.epa.gov/reg5ogis/download.htm

Region 6 GIS page

http://www.epa.gov/Arkansas/6en/gis/r6gis.htm

Region 6- CAE GIS page

http://www.epa.gov/earth1r6/6en/gis/index.htm

Region 7 GIS page

http://www.epa.gov/Region7/government_tribal/gis_info/index.htm

Region 8 GIS data page

http://www.epa.gov/Region8/gis/gisdata.html

Region 10 GIS page

http://www.epa.gov/r10earth/gisapps.html

Oregon Ecological Monitoring Project

http://www.epa.gov/esd/land-sci/oregon/download.html

Northwest Oregon Ecological Monitoring Project

http://www.epa.gov/esd/land-sci/northwest_oregon/download.html

Southern Rockies Ecological Monitoring Project

http://www.epa.gov/esd/land-sci/southern_rockies/download.html

Northern California Ecological Monitoring Project

http://www.epa.gov/esd/land-sci/northern_california/download.html

Mid-Atlantic Integrated Assessment Program

http://www.epa.gov/emap/maia/html/data.html

about GIS software in use at the EPA

http://www.epa.gov/epahome/gis.htm

MARPLOT mapping software download page

http://www.epa.gov/ceppo/cameo/marplot.htm

mapping data by state for MARPLOT

http://www.epa.gov/ceppo/cameo/marmaps/

about Landview mapping software and data

http://www.epa.gov/swerosps/bf/lvinfo.htm

about BASINS mapping software and data

http://www.epa.gov/OST/BASINS

OERR GIS home page

http://www.epa.gov/superfund/oerrgis/index

Federal Emergency Management Agency

FEMA Mapping and Analysis Center

http://www.gismaps.fema.gov/index.shtm

FEMA Map Service Center

http://www.msc.fema.gov/toc.shtml

Q3 database overview

http://www.msc.fema.gov/q3users.shtml

obtaining Q3 flood maps

http://www.msc.fema.gov/q3flooda.shtml

sample Q3 flood maps

http://www.msc.fema.gov/demodata.shtml

Digital Flood Insurance Rate Maps home page

http://www.fema.gov/fhm/dfm_dfhm.shtm

DFIRM database overview

http://www.fema.gov/fhm/dl_dfdd.shtm

obtaining DFIRM flood maps

http://www.msc.fema.gov/dfirm.shtml

DFIRM on-line viewer

http://gis.msc.fema.gov/Website/DFIRM_Viewer/Viewer.htm

remote sensing images of recent disasters

http://www.gismaps.fema.gov/rs.shtm

HazardMaps.gov GIS download page

http://www.hazardmaps.gov/dataSearch.php

National Aeronautic & Space Administration

Global Change Master Directory NSDI node

http://gcmd.gsfc.nasa.gov/index.html

Earth Observing System Data Gateway at NASA

http://redhook.gsfc.nasa.gov/~imswww/pub/imswelcome

Earth Observing System Data Gateway at USGS

http://edcimswww.cr.usgs.gov/pub/imswelcome

Earth Observing System Data Gateway at USGS

http://edcimswww.cr.usgs.gov/pub/imswelcome/plain.html

Earth Sciences Distributed Active Archive Center

http://daac.gsfc.nasa.gov

Physical Oceanography Distributed Active Archive Center

http://podaac-www.jpl.nasa.gov

Land Processes Distributed Active Archive Center

http://edcdaac.usgs.gov/dataproducts.html

Oak Ridge National Laboratory Distributed Active Archive Center

http://www-eosdis.ornl.gov

USGS EROS Data Center satellite products

http://edcwww.cr.usgs.gov/products/satellite.html

archive of satellite imagery held by USGS

http://edc.usgs.gov/archive/nslrsda

Satellite Situation Center

http://sscweb.gsfc.nasa.gov

Earth Observatory

http://earthobservatory.nasa.gov/Observatory

National Snow and Ice Data Center

http://www-nsidc.colorado.edu

EROS Data Center

http://edcdaac.usgs.gov/main.html

Global Hydrology Resource Center

http://ghrc.msfc.nasa.gov

Jet Propulsion Laboratory imaging radar

http://southport.jpl.nasa.gov

Alaska SAR Facility

http://www.asf.alaska.edu/getdata.html

Multi-Resolution Land Characteristics Consortium

http://www.mrlc.gov/download_data.asp

Global Change Master Directory data portals

http://gcmd.gsfc.nasa.gov/Data/portal_index.html

links to remote sensing resources

http://rsd.gsfc.nasa.gov/rsd/RemoteSensing.html

National Oceanic & Atmospheric Administration

National Environmental Satellite, Data, and Information Service

http://www.nesdis.noaa.gov

NESDIS satellite product list and description

http://www.nesdis.noaa.gov/sat-products.html

NESDIS Satellite Services Division

http://www.ssd.noaa.gov

Satellite Services Division product list

http://www.ssd.noaa.gov/PS/index.html

Satellite Services Division data product search

http://www.saa.noaa.gov/cocoon/nsaa/products/welcome

National Virtual Data System (search all data centers)

http://www.nvds.noaa.gov

National Oceanographic Data Center

http://www.nodc.noaa.gov/General/getdata.html

National Climatic Data Center

http://www.ncdc.noaa.gov/oa/ncdc.html

National Geophysical Data Center

http://www.ngdc.noaa.gov/ngdcinfo/onlineaccess.html

National Coastal Data Center

http://www.ncddc.noaa.gov

National Geodetic Survey home page

http://www.ngs.noaa.gov

NGS products

http://www.ngs.noaa.gov/products_services.shtml

NGS software ftp site

ftp://ftp.ngs.noaa.gov/pub/pcsoft

NGS on-line mapping publications

http://geodesy.noaa.gov/PUBS_LIB/pub_index.html

Coastal Services Center Coastal Information Directory

http://www.csc.noaa.gov/CID

Coastal Services Center data products

http://www3.csc.noaa.gov/CSCweb/tempProdCat.asp

Coastal Services Center spatial data

http://www3.csc.noaa.gov/CSCweb/genericPage.asp?bin=10

CSC Marine Boundary Working Group

http://www.csc.noaa.gov/mbwg/htm/cadastre.htm

Digital Shoreline of the United States

http://www.csc.noaa.gov/products/shorelines

digital coastal maps

http://nauticalcharts.noaa.gov/csdl/ctp/cm_vs.htm

digital navigational charts

http://chartmaker.ncd.noaa.gov/mcd/enc/download.htm

GSHHS - shoreline database

http://www.ngdc.noaa.gov/mgg/shorelines/gshhs.html

coastline extractor

http://rimmer.ngdc.noaa.gov/coast

Coastwatch

http://coastwatch.noaa.gov

Operational Sigfinicant Event Imagery

http://www.osei.noaa.gov

Defense Meteorological Satellite Program

http://dmsp.ngdc.noaa.gov/dmsp.html

National Ice Center

http://www.natice.noaa.gov

Biogeography Program

http://biogeo.nos.noaa.gov/products

Special Projects Office

http://sposerver.nos.noaa.gov/spo/products/products.html

Climate Atlas of the United States

http://lwf.ncdc.noaa.gov/oa/about/cdrom/climatls2/info/atlasad.html

US climate map shapefiles

http://www5.ncdc.noaa.gov/cgi-bin/climaps/climaps.pl

NWS weather map database

http://www.nws.noaa.gov/geodata

National Operational Hydrologic Remote Sensing Center

http://www.nohrsc.nws.gov/98/html/gisdata.htm

NOAA data server

http://www.esdim.noaa.gov/noaaserver-bin/NOAAServer?stype=home

NOAA portal to environmental GIS data

http://www.ngdc.noaa.gov/seg/tools/gis/portalged.shtml

National Parks Service

Department of Housing and Urban Development

US Department of Transportation

Bureau of Transportation Statistics GIS data index

http://www.bts.gov/gis/index.html

BTS Geographic Information Services

http://www.bts.gov/programs/gis

BTS National Transportation Atlas data

http://www.bts.gov/gis/ntatlas/index.html

BTS North American Transportation Atlas data

http://www.bts.gov/gis/ntatlas/noatlas.html

technical documentation for BTS atlases

http://www.bts.gov/gis/ntatlas/datadict.html

National Transit GIS

http://www.fta.dot.gov/library/technology/GIS/nt_gis.htm

National Transit GIS- general information

http://www.fta.dot.gov/library/technology/GIS/TGIS/TGIS.HTM

National Transit GIS- bus routes

http://geolab.bridgew.edu/docs/busroutes

National Transportation Research Center GIS Lab

http://www.ntrc.gov/labs/gis.html

Volpe Center GIS home page

http://www.volpe.dot.gov/gis/index.html

National Highway Planning Network

http://www.fhwa.dot.gov/planning/nhpn/index.html

National Pipeline Mapping System

http://www.npms.rspa.dot.gov

US Geological Survey

GEODE geodata explorer

http://geode.usgs.gov

EROS Data Center

http://edcwww.cr.usgs.gov

Digital Backyard (USGS digital products)

http://mapping.usgs.gov/digitalbackyard/index.html

overview of digital mapping products

http://erg.usgs.gov/isb/pubs/booklets/geodata/geodata.pdf

overview of satellite imagery products

http://erg.usgs.gov/isb/pubs/booklets/aerial/aerial.html

MapFinder (for locating quad names)

http://www.digitaldataservices.com/mapfinder/mapfinder_online.htm

index to topographic maps of the US

http://edc.usgs.gov/glis/hyper/guide/1_dgr_demfig/index1m.html

map scales for standard size federal maps

http://www.fws.gov/data/gistech/gisscale.html

GIS data download site

http://edc.usgs.gov/geodata

GIS data order site

http://edcsns17.cr.usgs.gov/EarthExplorer

GIS data availability

http://mapping.usgs.gov/www/products/status.html

USGS node on the NSDI

http://nsdi.usgs.gov

USGS node on the NSDI Clearinghouse

http://mapping.usgs.gov/nsdi

EROS Data Center node on the NSDI Clearinghouse

http://edcw2ks15.cr.usgs.gov/fgdc/EDCgateway.html

Clearinghouse Search Wizard

http://edcw2ks15.cr.usgs.gov/servlet/FGDCWizard

Water Resources Division GIS data sets

http://water.usgs.gov/GIS/thematic.html

Biology Division GIS data sets

http://biology.usgs.gov/npsveg/products/parkname.html

catalog of geology data

http://geo-nsdi.er.usgs.gov

catalog of water data

http://water.usgs.gov/lookup/getgislist

catalog of digital data series

http://mapping.usgs.gov/esic/cdrom/dds.html

National Atlas

http://nationalatlas.gov/atlasftp.html

National Map Seamless Data Distribution System

http://seamless.usgs.gov

National Elevation Dataset

http://edcnts12.cr.usgs.gov/ned/default.asp

National Geologic Map Database

http://ngmdb.usgs.gov

National Hydrography Dataset

http://nhd.usgs.gov/data.html

National Land Cover Characterization Project

http://landcover.usgs.gov/nationallandcover.html

National Digital Orthophoto Program

http://mapping.usgs.gov/www/ndop

US Antarctic Resource Center

http://usarc.usgs.gov

Lake Tahoe Initiative

http://tahoe.usgs.gov

Energy Resources Program

http://energy.cr.usgs.gov/products/pubdata.htm

Upper Midwest Environmental Sciences Center

http://www.umesc.usgs.gov/data_library/data_library.html

links to technical information pages

http://mapping.usgs.gov/products.html#digital_data

about digital elevation models (DEM)

http://edc.usgs.gov/products/elevation/dem.html

about digital line graphics (DLG)

http://edc.usgs.gov/products/map/dlg.html

about digital aerial orthophotographs (DOQ)

http://wgsc.wr.usgs.gov/doq

about digital topographic maps (DRG)

http://mcmcweb.er.usgs.gov/drg

about aerial photographs (not rectified)

http://edc.usgs.gov/products/aerial/napp.html

about satellite imagery

http://edcdaac.usgs.gov/main.html

about GIS data standards

http://mapping.usgs.gov/standards

help with DOQ files in ArcView

http://bard.wr.usgs.gov/htmldir/doq_html/doq-help.html

help with SDTS formatted files

http://mcmcweb.er.usgs.gov/sdts

help with SDTS formatted files

http://www.data.geocomm.com/sdts/sdts_tutorial.txt

help with SDTS files in ArcView

http://www.esri.com/news/arcuser/0799/webdata6.html

using DLG files in ArcView

http://www.esri.com/news/arcuser/798/dlgsources.html

find authorized business partners and their offerings

http://rockyweb.cr.usgs.gov/acis-bin/querypartner.cgi

free use of map finder/viewer

http://www.mapmart.com

free use of orthophoto finder/viewer

http://www.terraserver.microsoft.com

free viewer for USGS file formats

http://mcmcweb.er.usgs.gov/drc/dlgv32pro

US Department of Health & Human Services