Version history for: Condon, Steven M., 2005, Geologic studies of the Platte River, south-central Nebraska and adjacent areas - geologic maps, subsurface study, and geologic history: Professional Paper 1706 (CD-ROM). Version 1.0 November, 2005 Released on CD-ROM July 12, 2005 Initial release on online at http://pubs.usgs.gov/pp/pp1706/