@article {68021,
	title = {Coal Maturation and the Natural Gas Potential of Western and Central Washington},
	volume = {91-2},
	year = {1991},
	note = {Cascade Range, Columbia Basin; Eocene, Miocene},
	pages = {1-26},
	institution = {Washington Department of Natural Resources},
	keywords = {Coal, Eocene, Miocene, natural gas, Oil, Sedimentary rocks, Washington},
	isbn = {91-2},
	author = {Walsh, Timothy J. and Lingley, William S., Jr.}
}
