News & CommentScientific Events AWARD OF THE PENROSE MEDAL OF THE GEOLOGICAL SOCIETY OF AMERICA See allHide authors and affiliations Science 14 Nov 1941:Vol. 94, Issue 2446, pp. 458DOI: 10.1126/science.94.2446.458 Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears below.
Science Vol 94, Issue 244614 November 1941 Table of Contents Print Table of Contents Back Matter (PDF) Front Matter (PDF)