@book{229093,
	author = {United States},
	title = {United States--Gulf coast, Texas, approaches to Galveston Bay},
	publisher = {U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Ocean Service},
	address = {Washington, D.C.},
	note = {"LORAN-C overprinted."},
	url = {http://purl.fdlp.gov/GPO/gpo25670}
}