4 datasets found
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Federal
Electrical Resistivity Tomography (ERT) and Horizontal-to-Vertical Spectral Ratio (HVSR) Data Collected Within and Near Ellsworth Air Force Base, South Dakota, from 2014 to 2019
Department of the Interior —
The U.S. Geological Survey, in cooperation with the Air Force Civil Engineering Center, investigated the use of surface geophysical surveys to delineate the top of... -
Federal
Datasets Used to Create Maps of Pierre Shale Elevation and Surficial Deposit Thickness within and near Ellsworth Air Force Base, South Dakota, 2021
Department of the Interior —
The U.S. Geological Survey, in cooperation with the U.S. Air Force Civil Engineering Center, collected borehole geophysical data and performed simple aquifer tests to... -
Federal
Three-Dimensional Delineation of the Pierre Shale Bedrock From Electrical Resistivity Surveys Conducted in Two Areas of Interest Within and Near Ellsworth Air Force Base, South Dakota, 2022
Department of the Interior —
In 2022, the USGS, in cooperation with the U.S. Air Force Civil Engineer Center (USAF/CEC), performed geophysical surveys at two areas of interest within and near... -
Federal
Electrical resistivity tomography (ERT) and horizontal-to-vertical spectral ratio (HVSR) data collected east of Box Elder, South Dakota, in 2021
Department of the Interior —
The U.S. Geological Survey, in cooperation with the U.S. Air Force Civil Engineer Center, used surface geophysical methods to delineate the top of the Cretaceous...
4 datasets found