@book{24631,
	author = {Gardner, James Henry, and Fohs, F. Julius.},
	title = {Clays in several parts of Kentucky, with some account of sands, marls and limestones.},
	publisher = {G.G. Fetter,},
	year = {[1905]},
	series = {Kentucky. Geological Survey. Bulletin,},
	address = {Louisville, Ky.,}
}