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AUTHOR: Bruehl, D. H.
MONO AUTH: Farquhar, O. C.
TITLE: Use of geophysics in groundwater exploration in Massachusetts
MONO TITLE: Geotechnology in Massachusetts
AUTH AFFIL: Metcalf & Eddy; Boston, MA; United States
Univ. Mass., Dep. Geol.; Amherst, MA; United States
CONF INFO: Geotechnology in Massachusetts, Boston, MA, United States,
March 20-21, 1980
PUBLISHER: Univ. Mass., Grad. Sch., Amherst, MA, United States
SOURCE: p.87-90
REFERENCES: 2
YEAR: 1982
LANGUAGE: English
PUB TYPE: Conference Publication, Book, Analytic
FORMAT: illus., geol. sketch maps
ABSTRACT: In general, coarse-grained stratified glacial drift deposits
make up the most productive aquifers in Massachusetts. The use
of the gravity method in combination with electrical resistivity
depth soundings on a project in Manchester, Massachusetts, is
demonstrated. Investigations on sites in Cedar Swamp and
adjacent to Round Pond are described. On the Cedar Swamp site
the gravity method outlined a buried bedrock valley system with
a computed thickness of overburden of up to 90 feet. Electrical
resistivity depth soundings were used to locate test well sites
on this anomaly. The gravity method was also used to detect and
map a buried bedrock valley system on the Round Pond site. A
maximum overburden thickness of 83 feet was computed for this
site. Electrical resistivity depth soundings were then used to
locate test well sites. Small-diameter test wells confirmed the
presence of thick sand and gravel deposits under as much as 20
feet of swampy muck.--Modified book abstract.
ISBN: 0-960-4712-00
MAJOR DESC: Massachusetts; ground water
DESCRIPTOR: hydrogeology; surveys; geophysical surveys; electrical surveys;
New England; Eastern U.S.; United States; exploration; drift;
clastic sediments; aquifers; resistivity; Manchester; water
wells; Bouguer anomalies; gravity anomalies; Cedar Swamp region;
Round Pond