Scientific Investigations Report 2008–5026
U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2008–5026
Figure 1. Algal bloom Aphanizomenon flos-aquae, disturbed by the wake of the boat, Upper Klamath Lake, Oregon, 2005. (Photograph taken by Mary Lindenberg, U.S. Geological Survey, September 26, 2006.)