Electrical Resistivity Tomography (ERT) Surveys at the Callahan Mine Superfund Site in Brooksville, Maine: May 2017
On May 10, 2017 an electrical resistivity tomography (ERT) profile was collected on the land along the gravel path between the water and the slime impoundment associated with the former mine activities.  A total of 56 electrodes, spaced 1 m apart, extended along the base of the slope. Electrode 1 was near monitoring …