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USGS National Wetlands Research Center Home Page
The national headquarters for wetlands research through the USGS.
http://www.nwrc.usgs.gov/

USGS National Wetlands Research Center: Species Profiles - Introduction
This series describes the life histories and environmental requirements of coastal aquatic organisms along the coasts of the United States; the organisms are principally fish, of sport, commercial, or ecological importance.
http://www.nwrc.gov/publications/specintro.htm

USGS Nonindigenous Aquatic Species
USGS Nonindigenous Aquatic Species site has been established as a central repository for accurate and spatially referenced biogeographic accounts of nonindigenous aquatic species
http://www.nas.er.usgs.gov/

USGS Sediment Database
USGS Sediment Database provides information from gauging stations about sediment flux and transport in the US
http://www.webserver.cr.usgs.gov/sediment/

USGS Selected Water Resources Abstracts
This site offers a searchable database of selected USGS water resources abstracts.
http://www.water.usgs.gov/swra/

USGS-BRD Preschool Kids' Corner
There's all kinds of fun stuff to do here for preschoolers on up. We have games, coloring pages, stories, and lots of information about living thing
http://biology.usgs.gov/features/kidscorner/kidscr...

Water Questions and Answers (Water Science for Schools)
Common Questions and Answers about water from the U.S. Geolgical Survey's Water Science for Schools site.
We've put together a list of questions and answers about water that hopefully you will find interesting and amusing. Things like, "Is salt water used for anything in the U.S.?," and, "How can we have a 100-year flood two years in a row?" Choose a topic from the pipe diagram below or use the text menus below the picture.
http://www.wwwga.usgs.gov/edu/mqanda.html

Water Science Activity Center (Water Science for Schools)
The U.S. Geological Survey's Water Science for Schools Interactive Activity Center! Please visit.
http://wwwga.usgs.gov/edu/msac.html

Water Science for Schools: Earth's water
Earth's water: How much water is there? Where is it located? And lots more. USGS's Water Science for Schools site.
http://www.wwwga.usgs.gov/edu/mearth.html

Water Science for Schools: USGS water information
Welcome to the U.S. Geological Survey's (USGS) Water Science for Schools web site! We offer information on many aspects of water, along with pictures, data, maps, and an interactive center where you can give opinions and test your water knowledge. You can choose a topic from the menu below, get a description of our main water topics, or view our site map.
http://www.wwwga.usgs.gov/edu/

Water Science for Schools: USGS water information
All about water - the U.S. Geolgical Survey's Water Science for Schools information site.
http://ga.water.usgs.gov/edu/index.html

Water Science for Schools: Water Use in the U.S.
How and for what purposes water is used in the United States. The U.S. Geological Survey's Water Science for Schools site.
http://wwwga.usgs.gov/edu/wateruse.html

Water Science for Schools: Water properties, water measurements
Water basics: Water properties, water measurements and lots more. USGS's Water Science for Schools site.
http://wwwga.usgs.gov/edu/mwater.html

Water-Science Glossary of Terms
Glossary of water terms from the U.S. Geological Survey's Water Science for Schools site.
http://www.wwwga.usgs.gov/edu/dictionary.html

Welcome to Maptech! USGS Topographic Maps and NOAA Nautical Charts
Maptech Mapserver Maps and Charts with GPS interface,digital USGS topo maps (topographic maps) on CD ROM with FREE viewer and navigation software with GPS interface. Electronic (digital) NOAA nautical charts for marine navigation with marine viewing and navigation software with GPS interface. ChartKit waterproof charts Embassy cruising guides on CD ROM, Aeronautical Sectionals
http://www.maptech.com/