@article {67891,
	title = {Geology of Portland, Oregon and Adjacent Areas},
	volume = {1119},
	year = {1963},
	note = {Skamania volcanic series, Columbia River basalt, Rhododendron formation, Boring lava, Silver Star granodiorite, Scappoose formation, Sandy River mudstone, Troutdale formation; Cenozoic},
	pages = {1-119},
	institution = {Department of the Interior},
	keywords = {Cenozoic, Oregon, Sedimentary rocks, Volcanic rocks},
	isbn = {1119},
	author = {Trimble, Donald E.}
}
