@article {68101,
	title = {Analyses and Other Properties of Oregon Coals as Related to their Utilization},
	volume = {20},
	year = {1940},
	pages = {1-38},
	institution = {Oregon Department of Geology and Mineral Industries},
	keywords = {Coal, minerals, mining, Oregon},
	isbn = {20},
	author = {Yancey, H. F. and Geer, M. R.}
}
