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dc.contributorUnited States. Army. Corps of Engineers. Norfolk District.-
dc.contributor.authorCooper, Stafford S.-
dc.contributor.authorKoester, J. P.-
dc.contributor.authorFranklin, A. G. (Arley G.)-
dc.descriptionMiscellaneous Paper-
dc.descriptionAbstract: Surface electrical geophysical surveys were used to detect and monitor seepage paths through the right (south) abutment at Gathright Dam. The merits of these geophysical surveys are documented as a case study. Spontaneous potential (SP) techniques determine the anomalies created in the ambient electrical field by water flowing through porous zones in the subsurface materials. Both static and injection-induced potential anomalies were investigated at this site. Wenner and Bristow-Bates resistivity surveys were performed in limited areas to verify SP results. The Norfolk District drilled several core borings which indicated success of the SP and resistivity tests. The results of dye and salt injection testing, as monitored by fixed SP electrode arrays, are presented in the report.-
dc.publisherGeotechnical Laboratory (U.S.)-
dc.publisherEngineer Research and Development Center (U.S.)-
dc.relation.ispartofseriesMiscellaneous paper (U.S. Army Engineer Waterways Experiment Station) ; GL-82-2.-
dc.rightsApproved for public release; distribution is unlimited.-
dc.sourceThis Digital Resource was created from scans of the Print Resource-
dc.subjectGathright Dam-
dc.subjectJackson River-
dc.subjectGeophysical instruments-
dc.subjectGeophysical surveys-
dc.titleGeophysical investigation at Gathright Dam-
Appears in Collections:Miscellaneous Paper

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