USGS Groundwater Information: Hydrogeophysics Branch
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![]() Modified square array resistivity set-up, with electrode array in background. Resistivity equipment console was run off battery in the field. |
![]() Field equipment being set up at Mirror Lake research site. |
![]() Researcher checks on resistivity measurements being recorded. |
![]() Close-up of an individual electrode used during the experiment. Rubber bands are used to connect electrodes to metal stakes inserted in the ground. |