This informative and fully illustrated volume explores the untold story of agate gemstones hidden in Kentucky’s scenic Knobs Region. With their fine grain and

A description of the stratigraphic units shown on the State geologic map, with discussions of the structural geology, economic geology, and physiography of the

Thousands of years ago, the land that would become Northern Kentucky emerged above sea level when a large portion of the continental plate bulged upward. Today,