@book{26485,
	author = {Burroughs, Wilbur Greeley,},
	title = {The geography of the Kentucky knobs;},
	publisher = {The Kentucky Geological Survey,},
	year = {1926.},
	series = {The Kentucky Geological survey. Ser. VI. [Geologic reports]},
	address = {Frankfort,},
	note = {Plates included in paging, except pl. XXXIV.}
}