@book{267867,
	author = {United States.},
	title = {Sago Mine disaster and an overview of mine safety :},
	publisher = {U.S. G.P.O. :},
	year = {2006.},
	series = {S. hrg. ;},
	address = {Washington :},
	note = {"Printed for the use of the Committee on Appropriations."}
}