Letters Recreation: A Conservation Problem By John S. King See allHide authors and affiliations Science 25 Mar 1966:Vol. 151, Issue 3717, pp. 1477-1479DOI: 10.1126/science.151.3717.1477-b John S. KingFind 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 below.
Science Vol 151, Issue 371725 March 1966 Table of Contents Print Table of Contents Back Matter (PDF) Ed Board (PDF) Front Matter (PDF)
