@booklet {13436,
	title = {Mammals and life zones of Oregon},
	howpublished = {North American Fauna},
	number = {no.55},
	year = {1936},
	note = {Map in front pocket.  Good photographs.  Issued by U.S. Department of Agriculture, Bureau of Biological Survey},
	pages = {416 p.},
	publisher = {Government Printing Office},
	address = {Washington, DC},
	keywords = {general, terrestrial mammals},
	url = {https://archive.org/details/mammalsandlifezo00bailrich},
	author = {Bailey, Vernon}
}
