USGS Groundwater Information: Branch of Geophysics
Cape Cod research site at the gravel pit, prior to well installation |
USGS drillers installing 100-foot well |
Cape Cod site set-up. |
USGS staff running vertical radar profile survey. |
USGS staff using surface-walkway to calibrate borehole radar antennas in air. |
Close-up of tripod and antenna cable down borehole. |
Radar control unit. |
USGS staff preparing radar antenna for installation in borehole. |