1. Ground-water levels and flow directions in glacial sediments and carbonate bedrock near Tremont City, Ohio, October - November 2000 Yale Public content 2001. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; Information Services [distributor]. English. Public. Ohio, Champaign County, and Clark County.