@book{273785,
	author = {Council on Environmental Quality (U.S.) and United States.},
	title = {Coal surface mining and reclamation :},
	publisher = {U.S. Govt. Print. Off.,},
	year = {1973.},
	address = {Washington :},
	note = {At head of title: 93d Congress, 1st session. Committee print.}
}