@book{28056,
	author = {Twenhofel, William H.},
	title = {Mineralogical and physical composition of the sands of the Oregon coast from Coos Bay to the mouth of the Columbia River,},
	year = {1946.},
	series = {Oregon. State Dept. of Geology and Mineral Industries. Bulletin},
	address = {[Portland]},
	note = {At head of title: State of Oregon.  Dept. of Geology and Mineral Industries.}
}