@book{41649,
	author = {National Research Council (U.S.). and ebrary, Inc.},
	title = {Research opportunities in geography at the U.S. Geological Survey},
	publisher = {National Academies Press,},
	year = {2002.},
	address = {Washington, D.C. :},
	note = {"This study was supported by cooperative Agreement No. 00HQAG0217 between the National Academy of Sciences and U.S. Geological Survey"--T.p. verso.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10068507}
}