National Atlas.gov Map maker
http://www.nationalatlas.gov/natlas/Natlasstart.asp
Type: Map
Status: Other
Source: National Atlas of the United States
Difficulty: N/A
Compatibility: N/A, Java required.
Language: English
Rating: 
User rating: 
(USGS) An interactive Map Maker allows you to select and display a variety of map layers for the entire United States.
The interesting feature of this map is the overlayed data from different government databases that relate to agriculture, biology, climate, environment, geology, and other topics.
If you see any deficiences in links or information, please let us know in a comment.
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Tommaso Venturini 2 Jun 2008 04:49
Rating:
Very interesting, unfortunately only for US