@book{279578,
	author = {United States.},
	title = {Investment in hardrock mineral exploration and development :},
	publisher = {U.S. Government Printing Office,},
	year = {1995.},
	address = {Washington :},
	note = {"Serial no. 104-17." "Serial no. 104-17." "Serial no. 104-17."},
	url = {https://purl.fdlp.gov/GPO/gpo116802}
}