@book{281139,
	author = {United States.},
	title = {National Geologic Mapping Act of '92 :},
	publisher = {U.S. Government Printing Office,},
	year = {1996.},
	address = {Washington :},
	note = {"Serial no. 104-66."},
	url = {https://purl.fdlp.gov/GPO/gpo119513}
}