@book{24431,
	author = {Le Conte, John Lawrence, and Genth, F. A. and Union Pacific Railroad Company.},
	title = {Notes on the geology of the survey for the extension of the Union Pacific railway, E. D.,},
	publisher = {[Review printing house]},
	year = {1868.},
	address = {Philadelphia},
	note = {"Catalogue of rocks, by Dr. F. A. Genth": p. 69-76.}
}