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American
Memory: Map Collections
- A digital map collection of historical maps
in the Library of Congress.
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Census Bureau Geography
CIA World Fact Book
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DMOZ - Open Directory Project
EPA EnviroMapper®
GeoCommunicator
GeoCommunicator is the
publication site for the Bureau of Land Management's
National Integrated Land System
(NILS). GeoCommunicator provides a central site for the
distribution of geospatial data in three separate
applications: Land and Mineral Use Records, Federal Land
Stewardship and Land Survey Information System.
GeoData.gov
A
one-stop portal to federal, state, and local geographic information
including maps and geospatial data
GeoNames
Getty Thesaurus of Geographic Names Online
Google
Earth - Requires a free download to access satellite imagery, maps,
terrain and 3D buildings.
Google Maps
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Historical Map and Chart Collection
- The digital version of the Office of Coast
Survey's collection of historical maps.
HUD -
Enterprise Geographic Information System
Library of Congress Geography and Map Reading Room
Linda Hall Library Star Atlases
MapMachine - National Geographic's online atlas
Mapquest
MapServer-Originally developed by the University of
Minnesota ForNet
project in cooperation with NASA and the
Minnesota
Department of Natural Resources. Beyond browsing GIS data,
MapServer allows you create "geographic image maps", that
is, maps that can direct users to content.
NationalAtlas.gov
National Geospatial-Intelligence Agency
National Wetlands Inventory Maps
NIMA
NOAA, Office of Coast Survey - Navigational Charts
NOAA, National Ocean Service - Data Explorer
SD
Department of Transportation - Publications
United Nations Cartographic Section
USA.gov Reference Center Maps
USDA, NRCS – Web Soil Survey
USGS – Astrogeology Research Program
USGS Map Locator & Downloader
Free downloadable topographic
maps
USGS Maps, Imagery, and Publications
USGS
Store-United States Geological Survey