This site provides access to various maps and general geography information. The Geology page contains similar information, as well as links to Geologic Maps of the States and a variety of other Earth Science Maps.
Geologic Maps of the States

Site of the Northern Alaska Environmental Center. It provides an extensive pdf atlas of renewable resource maps and data for those interested in the production of electricity and fuels from wind, geothermal, solar, and other renewable powers.

This site provides links to official state home pages for each of the fifty United States.

The Environmental Protection Agency hosts this site. BASINS is an environmental analysis system which incorporates GIS, national watershed data, and other tools. This site offers the latest version of the BASINS system with a tutorial, along with features such as an email listserv, related metadata, and a links page.

Access the following types of state maps: shaded relief, county, black and white, satellite image, map showing a state in 1895, and a PostScript map.

This collection is made available by the Connecticut State Library's Digital Collections. In 1934, Connecticut became the first state to complete a statewide aerial survey. This site offers several statewide aerial surveys, including 1934, 1938, and 1965. The site offers several ways to search for photos, including a street map locator, search by town, or the 1934 index sheet locator. Images can be zoomed, rotated, and cropped. You can print maps and photos, save copies, send to FedEx Kinko's, or share at a meeting with Acrobat Connect.

This site provides maps that show county demarcations for each of the fifty states.

This site offers United States, California, and major city atlases. Some map topics include population and race, ancestry, income and poverty, and adult educational attainment.

This site creates a storehouse for credible, authoritative information on topics in Earth Science. It features an encyclopedia compiled by field experts who follow strict guidelines regarding the quality of content. Topics are covered in a neutral manner. Users can search by topic, author, or keyword. The site also offers field news and a forum for discussion.

This site offers daily and yearly data on wildland fire activity. The National Interagency Fire Center is the main center for coordinating resources in wildland fire incidents throughout the United States. This site includes many helpful links for further information and resources.

The US Department of Agriculture Forest Service Clearing House provides free downloadable maps (MODIS active fire mapping, Primary Base Series and Single Edition Series maps by state, etc.) , vector data, and other forest service information and GIS resources available as .TIF images.
FSGeodata Clearning House

This site offers a wide variety of resources for instructors in geology. The resources can be used in classroom demonstrations, added to a syllabus, or recommended to students for homework help or further study.

This collection is comprised of four series of historical topographic maps of Pittsburgh, dating from 1872-1961. Maps can be ordered and reproduced in print or digital form.

This site provides access to Mississippi's GIS data and offers many related resources, such as metadata, data sets, mapping of data sets, and statewide aerial photography. The two most commonly used file formats for downloading are Arc/Info (ARC) and ArcView (AV), though other formats can be used through contact with the Technical Center.

At the Mineralogy Database, users can research data for 4,442 mineral species. The site uses JCrystal Applet to provide 3-D images of mineral composition. KrystalShaper is used to provide paper model patterns which students can use to construct a physical model. Users can search by category or alphabetically.

At this site, the most current information is available on ongoing fires throughout the United States. Readers can find information on the affected geographic area, the fire's cause, the percentage of the fire's containment, and an estimated date of containment as well as the fuels involved. Also available is a wealth of regional data from MODIS, including JPEG imagery, PDFs, and archival fire extent maps. GIS information about the current status of fires is also accessible here.

This resource offers information about the development of the atlas, the ability to create United States maps, and maps pertaining to the environment and other aspects of the United States.

By choosing a region from the United States national map, users can find extensive data on fires for that area, including a current forecast, fire watches, and warnings. From this site, users can access the National Weather Service radar as well as satellite images.

“A plat is a map, drawn to scale, indicating boundaries of tracts of land.” Here, the state of Nevada is thoroughly represented by over 3000 historic index plats scanned as jpeg images by the Division of State Lands. Includes patent record numbers.

This site provides access to a vast library of photographic images from the U.S. Geological Survey. Images can be downloaded for free in several JPEG or GIF resolutions. Users can search for images by keyword or browse through subject categories.

These maps provide information about the percentage of the popular vote and electoral vote distribution in each of the fifty states for every presidential election since 1860.

The Remote Sensing Application Center offers advanced geospatial technology along with technical and operational support. This site includes a link to a geodata clearinghouse.

This site provides access to 30 X 60 Minute Series (1:100 000 scale) quadrant maps in every state and territory of the United States. Quadrants can be viewed individually as well as within the state as a whole. There are no zoom or pan features.