Boston Area Mapping Sites
Boston Atlas
Brookline GIS
Maps Over Time
MIT Digital Orthophoto Browser
US Government Mapping Sites
Bureau of the Census
Center for Disease Control, National Center for Health Statistics
Center for Disease Control, National Center for Injury Prevention & Control Injury Maps
Department of Agriculture Geospatial Data Gateway
Environmental Protection Agency
EROS Data Center
Federal Emergency Management Agency (FEMA)
National Institute of Justice Mapping & Analysis for Public Safety (formerly the Crime Mapping Research Center)
National Geodetic Survey
National Geophysical Data Center
National Geospatial Intelligence Agency (NGA)
National Oceanic & Atmospheric Administration
National Park Service GIS
NRCS Soil Survey
US Fish & Wildlife Service
Massachusetts Government Mapping Sites
New England States Government Mapping Sites
Connecticut Map and Geographic Information Center (MAGIC)
Connecticut Department of Environmental Protection GIS Data
Maine Office of GIS
New Hampshire Geographically Referenced Analysis and Information Transfer System (NH GRANIT)
New York State GIS Clearinghouse
Pennsylvania Spatial Data Access (PASDA)
Rhode Island GIS
Vermont Center for Geographic Information, Inc. (VCGI)
Municipal/Local Mapping Agencies
Los Angeles Interactive City Maps
New York City Department of City Planning
Philadelphia City Planning Commission
San Francisco GIs
International Agencies
Index of International Mapping Agencies
Historic GIS
David Rumsey Collection
National Historic GIS
China Historic GIS
A Vision of Britain Through Time
Map History/History of Cartography
The David Rumsey Collection features high-resolution images of maps from the 17th to 20th centuries, primarily of North and South America
Afriterra - A non-profit cartographic library and archive assembling and preserving original rare maps of Africa.
The Ancient World Mapping Center (AWMC)
The Office of Coast Survey's collection of historical maps and charts
Library of Congress American Memory Project
Historic USGS Maps of New England
Massachusetts Historical Society
Interactive Maps
Harvard Geospatial Library
The Harvard Geospatial Library offers search tools for finding geographic data, GIS data for download, and on-line geographic data exploration tools.
MIT Digital Orthophoto Browser
This site allows the user to interactively browse the digital orthophotos of the metropolitan Boston area, zoom, pan, and download the image or digital data.
National Geographic Map Machine
This site facilitates full color mapping of world to street level geography. Users can also view and print historical and atlas maps, flags, facts, and even portions of Mars.
US Census Bureau American Fact Finder
Here users can produce basic thematic maps using 2000 US Census data. Users can also download the tabular information or map image.
Gazetteers, Geocoding, and Distance Calculation Services
Gazetteers
World
National Imagery and Mapping Agency GEOnet Names Server
United States
The Arizona State University Libraries have a long list of place name servers.
Routing and Distance Calculation
Bali Online [world] Distance Service
Geographic Correspondence and Data Converters
Etak Eagle Geocoding Server
U.S. Postal Services Zip Code Lookup and Address Info
Libraries and Other Resources
Map Libraries
Earth Science and Map Library at the University of California at Berkeley
Bodleian Library
Cornell Map Collection
University of Florida
James Ford Bell Library's Historical Map Collection at the University of Minnesota
Library of Congress Map Collections
University of Minnesota Borchert Map Library
New York Public Library Map Division
University of Texas Map Collection