@article{65574, note = {At head of title: University of Kentucky, College of Arts and Sciences.}, author = {Luttrell, Eugene M. and Livesay, Elizabeth Ann,}, url = {http://library.usi.edu/record/65574}, title = {Devonian and lower Mississippian chert formations of western Kentucky,}, recid = {65574}, pages = {16 p.}, address = {Lexington,}, year = {1952}, }