Letters Eutrophication—Key Elements By Henry S. Reuss See allHide authors and affiliations Science 11 Dec 1970:Vol. 170, Issue 3963, pp. 1153DOI: 10.1126/science.170.3963.1153-a Henry S. ReussFind this author on Google Scholar Find this author on PubMed Search for this author on this site Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears above.