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Here are some USGS Web pages with more information on hydrogeology and Anywhere:

Water Frequently Asked Questions (Score: 3.000)

National Water-Quality Assessment (NAWQA) Program - High Plains Regional Ground Water study unit The High Plains Regional Ground Water region is a National Water-Quality Assessment (NAWQA) Program study unit for studying the status, trends, and changes affecting the nations water quality. Site links to data, publications, and results. (Score: 1.081)

Borehole geophysics as applied to geohydrology Project summary, photos of logging truck, and bibliographies on log interpretation techniques and instrumentation to record geophysical data in wells and test holes to study ground water hydraulics and evaluate waste disposal sites. (Score: 1.000)

Modeling and monitoring heat and fluid flow in geothermal systems List of reports on modeling and monitoring heat and fluid flow in geothermal systems published 1992-2001. (Score: 1.000)

Water science for schools: the Earths water - ground water Educational site for elementary schools students on ground water sources, ground-water flow, and aquifers. (Score: 1.000)

National Water-Quality Assessment (NAWQA) Program - Red River of the North study unit Information on the National Water Quality Assessment (NAWQUA)study of the Red River of the North in South Dakota, North Dakota, and Minnesota discontinued in 2001 with links to project description, publications, and environmental setting. (Score: 0.916)

National Water-Quality Assessment (NAWQA) Program - Rio Grande Valley study unit The Rio Grand Valley is a National Water-Quality Assessment (NAWQA) Program study unit for studying the status, trends, and changes affecting the nations water quality. Site links to data, publications, and results. (Score: 0.916)

National Water-Quality Assessment (NAWQA) Program - Upper Illinois River Basin Study Unit The Upper Illinios River Basin is a National Water-Quality Assessment (NAWQA) Program study unit for studying the status, trends, and changes affecting the nations water quality. Site links to data, photos, publications, and results. (Score: 0.823)

Aquifer basics Links to general information on water-supply by aquifers based on rock types and to principal national aquifers by name. (Score: 0.690)

Flow through unsaturated fractured rock Site describes studies using flow visualization and rock matrix pressure measurements to study flow through fractures in the unsaturated zone which plays an important role in water infiltration and contaminant transport. (Score: 0.690)

Ground water atlas of the United States 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 are can be viewed online and downloaded as ascii,GIF, and eps files. (Score: 0.690)

Land subsidence from ground-water pumping Online report for an interactive workshop Impact of Climate Change and Land Use in the Southwestern United States. Discusses land subsidence due to increased ground-water pumping in the Southwest and the damage caused by subsidence. (Score: 0.690)

Unsaturated-Zone Flow Program Overview of research to measure, predict, and understand the flow of water through soil and rock between the land surface and the water table with links to field sites, laboratory methods, theoretical developments, publications, and personnel. (Score: 0.690)

Edwards Aquifer online resources Recharge and discharge summaries and other data, aeromagnetic survey map, and publications on Edwards Aquifer, Texas. (Score: 0.542)

High Plains aquifer resources and information Links to reports, bibliographies, and other information on the High Plains aquifer. (Score: 0.541)

Water level changes in the High Plains aquifer, 1980-1988 Data from some 7,000 wells monitoring annual water level changes in the High Plains aquifer. (Score: 0.540)

Pacific Northwest geologic mapping and urban hazards Overview of the Pacific Northwest Urban Corridor Geologic Mapping Program concerned with geology and urban hazards with links to online geologic maps, current research, publications, and contacts. (Score: 0.496)

Water resources of Michigan - programs and projects Brief descriptions of categories of USGS research programs and projects on water resources in Michigan with links to more detailed information on projects. (Score: 0.491)

Index of selected active studies and research conducted by the USGS in Minnesota Links to descriptions of research projects on water resources in Minnesota listed by project number. (Score: 0.484)

USGS / Department of Energy cooperative studies in Nevada Describes cooperation of the USGS office in Las Vegas, Nevada, with the Department of Energy to address environmental and scientific issues at the Nevada Test Site and vicinity with links to project information. (Score: 0.480)

Investigating the Chesapeake Bay impact crater Links to information on the formation and structure of Chesapeake Bay including online reports, recent field work, field work archives, cooperating agencies, bibliography, and links to articles about other terrestrial impact craters. (Score: 0.475)

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About hydrogeology:

Definition: Science that deals with subsurface waters and with related geologic aspects of surface waters. [Glossary of Geology, 4th ed.]

Used for: geohydrology, groundwater geology, hydrographic sections