Administrative Report for the (sixth) Kentucky Geological Survey Kentucky Geological Survey Published: 1926 Total Pages: 18 Get eBook
Information Circular - Kentucky Geological Survey Kentucky Geological Survey Published: 1993 Total Pages: 152 Get eBook
Administrative Report for the (sixth) Kentucky Geological Survey, Years 1926 and 1927 Willard Rouse Jillson Published: 1927 Total Pages: 102 Get eBook