@book {69461,
	title = {Eruptions of Mount St. Helens: Past, Present, and Future},
	year = {1987},
	note = {Washington; Cascade Range},
	pages = {45},
	publisher = {Department of the Interior and U. S. Geological Survey},
	organization = {Department of the Interior and U. S. Geological Survey},
	keywords = {earthquakes, Mount St. Helens, Volcanics, Washington},
	author = {Tilling, Robert I.}
}
