News & Comment THE MAGNETIC SURVEY OF THE UNITED STATES By T. See allHide authors and affiliations Science 01 Mar 1901:Vol. 13, Issue 322, pp. 353-354DOI: 10.1126/science.13.322.353 T.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.