USGS Groundwater Information: Hydrogeophysics Branch
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![]() USGS staff conduct cross-hole radar surveys at Otis AFB. |
USGS researcher prepares to put radar antenna in borehole. |
![]() Computers for running equipment and recording data were run out of the field office trailer. |
![]() Close-up image of borehole radar antenna used in the experiment. |
![]() Radar survey being conducted with drill rigs in background. |
![]() During the experiment, a researcher carefully lowered the radar antenna down the borehole. |
![]() OGW BG researcher prepares field presentation on experiment. |
![]() OGW BG researcher gives presentation to staff from USGS and OGW headquarters. |