News & CommentScientific Events

THE NEW BUILDING OF THE U. S. DEPARTMENT OF AGRICULTURE

+ See all authors and affiliations

Science  13 Sep 1929:
Vol. 70, Issue 1811, pp. 253
DOI: 10.1126/science.70.1811.253

This is a PDF-only article. The first page of the PDF of this article appears below.

PDF extract preview