ArticlesPolicy Consideration Tapping Resources in Municipal Solid Waste By S. L. Blum See allHide authors and affiliations Science 20 Feb 1976:Vol. 191, Issue 4228, pp. 669-675DOI: 10.1126/science.191.4228.669 S. L. Blum Find 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.