Washington (Alpine Lake Wilderness & Mt. Rainer) Determining Critical Loads of Nitrogen Deposition in the Pacific Northwest Jasmine Saros August 2008 Paleolimnological studies in the Pacific Northwest have suggested possible acidification effects of nitrogen (N) and sulfur (S) deposition on alpine lakes in this region, but have been unable to generate a critical load at read more Determining Critical Loads of Nitrogen Deposition in the Pacific Northwest