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

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...2022年，美国地质调查局（United States Geological Survey, USGS）联合美国空军土木工程中心（U.S. Air Force Civil Engineer Center, USAF/CEC），在两处位于范围内及周边的感兴趣区域开展了地球物理勘探工作……