@book{24542,
	author = {Christy, David,},
	title = {Letters on geology:},
	publisher = {J.M. Christy, printer,},
	year = {1848.},
	address = {Rossville [O.]},
	note = {Imprint on cover: Oxford, W. Wallace; J.M. Christy, printer, Rossville.}
}