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USGS -- Water Resources of the United States - http://water.usgs.gov/
Information about water resources from the U.S. Geological Survey. Topics include ground water, surface water, water use, water quality, acid rain, toxic substances hydrology. |
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Ground Water Atlas of the United States - http://pubs.usgs.gov/ha/ha730/
Online USGS publication describes U.S. ground-water resources by region. Covers the 50 states, Puerto Rico, and the U.S. Virgin Islands. |
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USGS - Arsenic in ground water of the United States - http://water.usgs.gov/nawqa/trace/arsenic/index.html
Publications, maps, and data on arsenic in U.S. groundwater. |
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Great Lakes Aquatic Habitat Network and Fund - http://www.glhabitat.org/
Provides information and financial support to those working to protect and restore shorelines, lakes, rivers, wetlands, and other aquatic habitats in the Great Lakes Basin. Includes news and grant information. |
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RiverWeb's American Bottom Landing Site - http://www.riverweb.uiuc.edu/
Explore information about the environment, history, and cultures of this important part of the Mississippi River valley. |