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Johnson, C.D.

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In late October and early November 2016, transient electromagnetic (TEM) data were acquired at two locations in Livingston County, in western New York, in order to characterize the subsurface resistivity structure in support of a U.S. Geological Survey groundwater investigation. The TEM data were collected as part of a pilot project to evaluate geophysical methods to characterize the valley-fill sediments, underlying bedrock, and salinity of the subsurface. TEM data were collected using an ABEM WalkTEM unit (acquisition software V 1.1.0) using a 100 by 100 meter square transmitter loop (Tx), a center-loop receiver (Rx) that is 0.5 by 0.5 square meters in size (with an effective area of 35 m^2), and dual currents...
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