@book{282636,
	author = {United States.},
	title = {H.R. 1528, the National Geologic Mapping Reauthorization Act of 1999, to reauthorize and amend the National Geologic Mapping Act of 1992 :},
	publisher = {U.S. G.P.O. :},
	year = {1999.},
	address = {Washington :},
	note = {Shipping list no.: 2000-0072-M.}
}