""The Mississippian Series of Eastern Kentucky"" is a scientific book written by Charles Butts and published in 1922. The book explores the stratigraphic relations of the sub-Carboniferous group in the region of Eastern Kentucky. It is based on new and detailed field examinations conducted by the author. The Mississippian series is a geological time period that occurred approximately 360 to 325 million years ago, and it is characterized by the deposition...