@article {70406,
	title = {Maturation Anomalies in Sediments Underlying Thick Volcanic Strata, Oregon: Evidence for a Thermal Event},
	journal = {Geology},
	volume = {15},
	year = {1987},
	note = {Ochoco basin, Esmond $\#$1, Hornbrook Formation; Oligocene, Miocene},
	pages = {30-33},
	keywords = {Hornbrook Formation, hydrocarbons, Miocene, Oligocene, Oregon, Sedimentary sequences, sediments, Volcanic rocks},
	author = {Summer, Neil S. and Verosub, Kenneth L.}
}
@article {70411,
	title = {Maturation Anomalies in Sediments Underlying Thick Volcanic Strata, Oregon: Evidence for a Thermal Event},
	journal = {Geology},
	volume = {15},
	year = {1987},
	note = {Ochoco basin, Esmond $\#$1, Hornbrook Formation; Oligocene, Miocene},
	pages = {30-33},
	keywords = {Hornbrook Formation, hydrocarbons, Miocene, Oligocene, Oregon, Sedimentary sequences, sediments, Volcanic rocks},
	author = {Summer, Neil S. and Verosub, Kenneth L.}
}
