Version history for Wells, Ray, 2006, Oregon geology--Parent of the soil, foundation for the vine: U.S. Geological Survey Open-File Report 2006-1069 [available on the World Wide Web at URL http://pubs.usgs.gov/of/2006/1069/ ]. Version 1.0, March 14, 2006 Initial release online at http://pubs.usgs.gov/of/2006/1069/