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Land-Based Frequency Domain Electromagnetic Surveys at the Callahan Mine...
In October 2016 and May 2017 frequency domain electromagnetic (FDEM) methods were used to image the electrical conductivity of the shallow subsurface. Electrical conductivity... -
Borehole, Surface, and Water-Borne Geophysical Surveys at the Callahan Mine...
From October 2016 to July 2018, the U.S. Geological Survey, in cooperation with the U.S. Army Corps of Engineers and Maine Department of Transportation, collected surface,... -
Borehole, Surface, and Water-Borne Geophysical Surveys at the Callahan Mine...
From October 2016 to July 2018, the U.S. Geological Survey, in cooperation with the U.S. Army Corps of Engineers and Maine Department of Transportation, collected surface,... -
Land-Based Frequency Domain Electromagnetic Surveys at the Callahan Mine...
In October 2016 and May 2017 frequency domain electromagnetic (FDEM) methods were used to image the electrical conductivity of the shallow subsurface. Electrical conductivity... -
Water-Based Frequency Domain Electromagnetic Surveys at the Callahan Mine...
In October 2016 and May 2017 frequency domain electromagnetic (FDEM) methods were used to image the electrical conductivity of the shallow subsurface. Electrical conductivity...