1. Geologic map of the Little Cypress quadrangle, Kentucky-Illinois [cartographic material] Yale Public content 1966. 2012-01-13T15:28:50Z. 2012-03-05T17:32:55Z. Amos, Dewey Harold, 1925-. U.S. Geological Survey. English. Public. Kentucky, Livingston County, Marshall County, McCracken County, Illinois, Pope County, and Massac County.