@book{156968,
	author = {Churkin, Michael. and Carter, Claire.},
	title = {Stratigraphy, structure, and graptolites of an Ordovician and Silurian sequence in the Terra Cotta Mountains, Alaska Range, Alaska},
	publisher = {U.S. Geological Survey},
	year = {1995.},
	series = {U.S. Geological Survey professional paper},
	address = {Menlo Park, CA}
}