LettersDiscussion TERRACES IN THE SUSQUEHANNA VALLEY BELOW HARRISBURG, PENNSYLVANIA By J. Hoover Mackin See allHide authors and affiliations Science 10 Aug 1934:Vol. 80, Issue 2067, pp. 140-141DOI: 10.1126/science.80.2067.140-a J. Hoover Mackin 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.
Science Vol 80, Issue 206710 August 1934 Table of Contents Print Table of Contents Back Matter (PDF) Front Matter (PDF)
TERRACES IN THE SUSQUEHANNA VALLEY BELOW HARRISBURG, PENNSYLVANIA By J. Hoover Mackin Science10 Aug 1934 : 140-141
TERRACES IN THE SUSQUEHANNA VALLEY BELOW HARRISBURG, PENNSYLVANIA By J. Hoover Mackin Science10 Aug 1934 : 140-141