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Application of surface-geophysical methods to investigations of sand and gravel aquifers in the glaciated Northeastern United States

Professional Paper 1415-A

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Abstract

Combined use of seismic-refraction, direct-current resistivity, very-low-frequency terrain-resistivity, and inductive terrain-conductivity methods were demonstrated at sites in Connecticut, New York, and Maine. Although no single method can define both the hydrogeologic boundaries and general grain-size characteristics of sand and gravel aquifers, a combination of these methods can. Comparisons of measured electrical properties of aquifers with logs of test holes and wells indicate that, for a given conductivity of ground water, the bulk electrical resistivity of aquifers in the glaciated Northeast increases with grain size.

Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Application of surface-geophysical methods to investigations of sand and gravel aquifers in the glaciated Northeastern United States
Series title:
Professional Paper
Series number:
1415
Chapter:
A
Edition:
-
Year Published:
1995
Language:
ENGLISH
Description:
p. A1-A70