Website with links to USGS hydrologic, geohydrologic, soil, and geologic projects in Missouri using geographic information systems (GIS) technology with digital datasets of images, models, and maps produced by the projects to view.
Field methods, topics of investigation, shoreline changes, publications, and satellite imagery related to geologic and hydrologic processes affecting Lake Pontchartrain and adjacent lakes which form a large estuary in the Gulf Coast region.
Site for Great Lakes Science Center, Ann Arbor, which provides information about biological resources in the Great Lakes Basin. Links to personnel, publications, data, library, facilities, research vessels, Great Lakes issues, and research.
Information about basin storage, historical changes, and consumptive water use for manages and planners to use to develop policies for efficient and sustainable water use.
The U.S. ground water atlas consists of information on ground water resources of 13 regions covering the 50 States, Puerto Rico, and the U.S. Virgin Islands. Text and maps can be viewed online and downloaded as ASCII, GIF, and *.eps files.
Map showing a network of selected ground water wells in the U.S. The water levels in these wells are used to monitor the effects of droughts and other climate variability.
Lead page to connect to ground water information on the Nation's ground water resources and ground water activities of the USGS. Includes links to ground-water data, news reports, publications, field techniques, models, programs, and issues.
U.S. Department of the Interior |
U.S. Geological Survey