News & Comment PLEISTOCENE CLAYS AS A CHRONOMETER See allHide authors and affiliations Science 24 Sep 1920:Vol. 52, Issue 1343, pp. 284-286DOI: 10.1126/science.52.1343.284 H. L. FairchildFind 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 52, Issue 134324 September 1920 Table of Contents Print Table of Contents Back Matter (PDF)