Version history for Scientific Investigations Report 2007-5056 U.S. Geological Survey Summary and trend analysis of water-quality data for the Oakes Test Area, southeastern North Dakota, 1984–2004 Version 1.0: Posted On-line April 30, 2007 Version 1.1: Posted On-line September 8, 2009 Locations of sites 5 and 6 were corrected on figure 2 (page 3).