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Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

Hydrogeologic Aquifer Test dataset, Lower Mississippi-Gulf Water Science Center, March 2022

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Hydrogeologic controls on nitrate transport in a small agricultural catchment, Iowa

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Geophysical framework of the southwestern Nevada volcanic field and hydrogeologic implications

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Hydrogeologic conditions and saline-water intrusion, Cape Coral, Florida, 1978-81

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Hydrogeologic reconnaissance of the Mekong Delta in South Vietnam and Cambodia

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

Hydrogeologic Data for the Development of the Hydrogeologic Framework of the Coastal Lowlands Aquifer System Regional Groundwater Availability Study Area in Texas, Louisiana, Mississippi, Alabama, and Florida

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

Hydrogeologic Data for the Development of the Hydrogeologic Framework of the Coastal Lowlands Aquifer System Regional Groundwater Availability Study Area in Texas, Louisiana, Mississippi, Alabama, and Florida

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Hydrogeologic framework of the Wood River Valley aquifer system, south-central Idaho

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Hydrogeologic framework of the Johns Creek subbasin and vicinity, Mason County, Washington

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Hydrogeologic Setting and Ground-Water Flow in the Leetown Area, West Virginia

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Overview of environmental and hydrogeologic conditions at Lake Minchumina and Skwentna, Alaska

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Hydrogeologic reconnais­sance at the Ciba-Geigy Superfund Site, Ocean County, New Jersey

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Hydrogeologic and water-quality characteristics of the St. Peter aquifer, Southeast Minnesota

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Evaluation of hydrogeologic aspects of proposed salinity control in Paradox Valley, Colorado

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Hydrogeologic data for the lower Thames and southeastern coastal river basins, Connecticut

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Use of thermometry in hydrogeologic studies of glacial deposits at Worthington, Minnesota

Data Release
Collage of images of an earthquake, scientists in flood with instruments, a volcano erupting, and seismic illustration.

Hydrogeologic Framework of the Treasure Valley and Surrounding Area, Idaho and Oregon

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Hydrogeologic framework and hydrologic conditions of the Piney Point aquifer in Virginia

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Hydrogeologic controls on groundwater discharge and nitrogen loads in a coastal watershed

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Aquifer sensitivity to pesticide leaching: Testing a soils and hydrogeologic index method

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Hydrogeologic framework of the Puget Sound aquifer system, Washington and British Columbia

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Hydrogeologic framework of Mississippian rocks in the central Lower Peninsula of Michigan

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Collage of USGS Maps.

Mining and related problems of the shallow hydrogeologic regime, Allegheny County, Pennsylvania

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Arsenic speciation analyses of groundwater samples

Arsenic in Minnesota groundwater—Occurrence and relation to hydrogeologic and geochemical factors

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Hydrogeologic framework of stratified-drift aquifers in the glaciated Northeastern United States

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Overview of environmental and hydrogeologic conditions at Merrill Field Airport, Anchorage, Alaska

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The use of marine electromagnetic conductivity as a tool in hydrogeologic investigations

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Hydrogeologic data from a test well in east-central Duval County, Florida

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STRUCTURAL AND HYDROGEOLOGIC APPLICATIONS OF REMOTE SENSING DATA, EASTERN YUCATAN PENINSULA, MEXICO.

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Hydrogeologic and water-quality characteristics of the Upper Carbonate aquifer, Southeast Minnesota

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