Seismotectonic maps in the vicinity of the lower Wabash Valley, Illinois, Indiana, and Kentucky - Digital Spatial Database: Paleoliquefaction surveys in 1995 in Illinois

Online link https://geo-nsdi.er.usgs.gov/metadata/open-file/97-681/liq95surv.faq.html
Description Over several summer field seasons from 1990 through 1994, several workers searched ditches and river banks for evidence of prehistoric earthquake liquefaction. They found numerous banks with shaking-induced sandblows and the dikes that fed them. "liq94sur
Originators Rhea, Susan
Publication U.S. Geological Survey Open-File Report 97-0681

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