@book{27898,
	author = {Gildersleeve, Benjamin,},
	title = {Eocene of Virginia,},
	year = {1942.},
	series = {Virginia.  Geological survey.  Bulletin 57},
	address = {University, Va.,},
	note = {At head of title: Commonwealth of Virginia.  Virginia conservation commission.  Virginia Geological survey.  Arthur Bevan, state geologist.}
}