@book{30516,
	author = {McGrain, Preston,},
	title = {Geology of the Cumberland Falls State Park area.},
	publisher = {University of Kentucky,},
	year = {1966.},
	series = {Kentucky Geological Survey. Series X. Special publication 11},
	address = {Lexington,},
	note = {Reprint with minor revisions of Kentucky. Geological Survey. Series IX. Special publication no. 7, 1955.}
}