Scientific Investigations Report 2007–5117
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5117
Figure 15. Frequency distribution of lakewide dissolved-oxygen data, by month, Upper Klamath and Agency Lakes, Oregon, June–September 1990–2006. Years are displayed in order of increasing lake level based on the end-of-month lake-level rankings for the preceding month (see table 2).