@book{200020,
	author = {Condon, Steven M. and Geological Survey (U.S.)  },
	title = {Geologic studies of the Platte River, south-central Nebraska and adjacent areas, geologic maps, subsurface study, and geologic history},
	publisher = {U.S. Geological Survey},
	year = {2005.},
	series = {Professional paper},
	address = {[Reston, Va.?]},
	edition = {Version 1.0.},
	note = {Shipping list no.: 2006-0011-E.},
	url = {http://pubs.usgs.gov/pp/pp1706/}
}