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Soil Maps
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World Reference
Base for Soil Resources,
Food and Agriculture Organization of the United Nations
Find global soil maps for all types of soil. Click on a certain soil type
to see its global distribution.
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World Soil Resources
Map Index,
NRCS
Includes a variety of soil maps. Also includes some more specific maps
for a few countries.
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Topographic
Maps
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Maps on Demand,
USGS
Search for maps by zip code or city and state. Allows you to order 7.5
minute maps online for $6.00 per map plus $5.00 s/h per order.
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Need
a Map?,
Maptech
Just type in the city and state.
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How to
find topographic maps,
USGS
Provides helpful links for finding geologic maps.
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TopoZone
Find topographic maps by place name, latitude and longitude, or UTM coordinates
under the Get A Map section. Allows you to download topographic maps (including
USGS maps) for free, at various scales (from 1:100,000 to 1:24,000).
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MapServer
Enter place name or zip code and state at the top to view maps. Offers
free online viewing of topographical, nautical and aeronautical charts
plus high altitude digital ortho quads (nav photos).
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Reading
Map Symbols
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Topographic
Map Symbols,
USGS
This site has information on reading topographic maps.
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USGS Geography
Education Materials,
USGS
A USGS site for kids and teachers. Describes map types and features, including
how to interpret them.
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Reading
Geologic Maps
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What
is a geologic map and how is it used?,
Society for Sedimentary Geology (SEPM)
Use this sample lesson plan to understand geologic maps.
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Reading
Geologic Maps,
About.com
Follow this tutorial on how to read and use geologic maps.
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Reading
Geologic Maps,
USGS
Explanation of how geologic features and rock units are shown on geologic
maps.
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What
is a Geologic Map,
USGS & NPS
Learn what a geologic map is and what information they provide.
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State
Geologic Maps
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State Geologic
Maps,
USGS
Provides descriptions and availability information for state geologic
maps.
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Association of American
State Geologists
AASG
Obtain materials from your state geological survey.
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Geologic Maps
of States Online,
About.com
Download state geologic maps from About.com.
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National
Geologic Maps
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National Geologic Map Database,
USGS
Contains information on how and where to obtain geologic maps.
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Regional
and Local Geologic Maps
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Bookstore
of the American Association of Petroleum Geologists
AAPG
Click on Browse by Series and select AAPG maps for regional tectonic maps
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Online Map
Creation
Create a map using this input form You can select from a variety of features
including whether the topography or bathymetry of your selected region.
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USGS Store,
USGS
This site allows you to order 7.5 minute maps online for $4 per map plus
$5 s/h per order.
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Map
Dealers
USGS
The United States Geological Survey maintains a list of Map Dealers. Click
on your state to obtain a list of retailers who sell maps
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General Map
Resources
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US Maps and Data
geodata.gov
Make maps using geospatial data and information.
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General Map Information
USGS Earth Science Information Center
Includes general map information, from how to read maps to how to obtain
them. Also includes links to further information regarding topographic,
thematic, planetary maps, and more.
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Maps
of the United States
USGS
A USGS fact sheet, contains a series of depictions of the United States,
along with information on how to obtain additional US maps.
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Maps
of the World
USGS
USGS fact sheet, contains a series of world maps, including outline maps,
seismicity maps, and political maps. Also contains information for ordering
more specific world maps.
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National Atlas Maps
USGS
USGS site of a variety of US maps that are available online, including
shaded relief maps, aquifer maps, and further information on how to order
maps not available online.
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This Dynamic Planet,
USGS
A USGS map showing the physiographic features of the Earth, current plate
movements, and locations of volcanoes, earthquakes, and impact craters
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National
Geographic Map Machine,
National Geographic
For a wide variety of thematic maps, click on "Dynamic Maps" or "Atlas
Maps". Enter a location you wish to search for, and select from any number
of themes, ranging from elevation to ocean floor. (You may need to click
on "Select a New Theme" or "Related Atlas Maps" to find the theme you
are looking for.)
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Dynamic
Planet Maps
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This Dynamic Planet,
USGS
Simkin, Tom, et al., 1994, This Dynamic Planet: World Map of Volcanoes,
Earthquakes, Impact Craters, and Plate Tectonic, published by the US Geological
Survey, Reston, VA.
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U. S. Geological
Survey Earthquake Maps
USGS
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Ocean Maps
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Age
of the Ocean Floor,
NOAA
World Data Center for Marine Geology & Geophysics, Boulder.
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Weather
Maps
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National Weather Service Home Page,
NOAA
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The Datastreme Project,
American Meteorological Society
Contains a variety of up-to-date weather maps. Under the "surface"
subheading, you can find maps showing temperatures, pressures, isotherms,
and fronts, along with other current weather data.
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Weather.com,
The Weather Channel Interactive, Inc.
A current weather map of the United States is found on the homepage. You
can view an enlarged version by clicking on the map. To find weather maps
of your local area, type in your zip code or city and state at the top
of the page.
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Unisys.com,
Unisys Corp.
View a current United States weather map on the Unisys homepage.
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Satellite Maps
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Google Maps
Google
Type the address into the search engine toolbar, at the top of the page.
Wait for the mapt to come up. Click on "Satellite" in the upper right
hand corner of the page. You will then receive a satellite image of your
area
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Inquiry
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Ask a Geographer
American Association of Geographers
The website ffers the media, government agencies, teachers and students links to experts in various fields of geography. The experts are drawn from and categorized according to the AAG Specialty Groups and may be contacted directly, using the information provided in this listing. They will respond to specific inquiries about geographic topics and issues in their areas of expertise.
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This project is supported, in part, by the National Science Foundation and the AGI Foundation. Opinions expressed are those of the authors and not necessarily those of the Foundation.
