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Date: 2012-12-07 19:56:14New Madrid earthquake Earthquake Fault New Madrid Seismic Zone Irondale earthquake Geology Seismology Geography of the United States | areas of karst development, abandoned mines, and solution-mining sites, active or abandoned.Add to Reading ListSource URL: www.michigan.govDownload Document from Source WebsiteFile Size: 293,02 KBShare Document on Facebook |