Side Trails » Flood of 1993 Uncovers Devonian Sea Floor
The floodwaters of the 1993 Flood ripped out a road and campground, and scoured away glacial-age sediments to expose a 375-million-year old Devonian fossiliferous bedrock.
Source: Iowa Department of Natural Resources
Iowa Pathways: Iowa History Resources for Students and Teachers
Home ~ My Path ~ Artifacts ~ Timeline ~ Quest ~ Teacher Resources ~ Project Information ~ SponsorsIowa Pathways © 2005 - 2016 Iowa Public Television