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This data release presents results of chemical analyses of groundwater sampled during summer and autumn of 2019 and spring of 2020 from 23 wells in the Great Miami buried-valley aquifer (GM-BVA)...
Search relevance: 1.00 | Views last month: 13 | Catalog Last Checked: September 10, 2026 at 10:34 PM -
The U.S. Geological Survey (USGS) in cooperation with the Miami Conservancy District, Dayton, Ohio, in 2019 and 2020 collected and analyzed groundwater samples to describe concentrations of per-...
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The U.S. Geological Survey (USGS), in cooperation with the Miami Conservancy District, Dayton, Ohio, in 2019 and 2020 investigated concentrations of per- and polyfluoroalkyl substances (PFAS) in...
Search relevance: 1.00 | Views last month: 9 | Catalog Last Checked: September 10, 2026 at 08:28 PM -
This digital dataset represents the surface hydrogeology of an approximately 45,000 square-kilometer area of the Death Valley regional ground-water flow system (DVRFS) in southern Nevada and...
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This digital data set represents the Death Valley regional ground-water flow system (DVRFS) study area which encompasses approximately 100,000-square kilometers in Nevada and California and is...
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This digital data set represents discharge areas in the Death Valley regional ground-water flow system (DVRFS) transient model. Natural ground-water discharge occurs by way of evapotranspiration...
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A digital three-dimensional hydrogeologic framework model (HFM) represents the geometry and extent of hydrogeologic units (HGUs) and major structures in the Death Valley regional ground-water...
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This digital data set defines the boundary of the steady-state ground-water flow model built by IT Corporation (1996). The regional, 20-layer ground-water flow model was developed for the...
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Recharge in the Death Valley regional ground-water flow system (DVRFS) was estimated from net infiltration simulated by Hevesi and others (2003) using a deterministic mass-balance method. Hevesi...
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This data release contains programmed pyrolysis, organic petrographic (reflectance), and semiquantitative X-ray diffraction mineralogy data for subsurface coal and shale samples from around the...
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: September 10, 2026 at 09:26 PM -
Mount Adams, also known by the Native American names "Klickitat" or "Pahto", is a 3,742 meter-tall (12,278 feet) stratovolcano located 53 km (33 miles) north of the Columbia river straddling the...
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Groundwater withdrawal estimates for 1913-2016 for the Death Valley regional groundwater flow system (DVRFS) are compiled in this Microsoft® Access database to support a regional,...
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This U.S. Geological Survey data release presents monthly evaporation estimates from Lake Mead, Nevada and Arizona. Data are updated approximately annually. The spreadsheet includes five...
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The false-color composite image of the Death Valley regional ground-water flow system (DVRFS), an approximately 100,000 square-kilometer region of southern Nevada and California, was derived...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 08:03 PM -
This digital data set defines the flow-system boundary encompassing the regional ground-water flow model by D'Agnese and others (1997). The boundary encompasses an approximately 50,000...
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This digital data set defines the boundaries of the deserts of the southwestern United States. Those deserts include the Great Basin, Mojave, Colorado, and Sonoran Deserts as defined by Benson...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: October 14, 2026 at 06:44 AM -
This digital data set defines the boundaries of the deserts of the southwestern United States. Those deserts include the Great Basin, Mojave, Colorado, and Sonoran Deserts as defined by Benson...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: October 20, 2026 at 06:39 AM -
In 1968, the Missouri Geological Survey (MGS) established the Operation Basement program to address three objectives: a) to obtain drill hole and underground mining data relative to the structure...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 10:33 PM -
This data release (version 4.0, February 2021) consists of a Microsoft® Access database and Microsoft® Excel workbook that contain water-level data and other hydrologic information for wells on...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 08:26 PM -
This digital data set defines the lateral boundary of the area simulated by the steady-state ground-water flow model of the Death Valley regional ground-water flow system (DVRFS) by D'Agnese and...
Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 10:29 PM
