Nitrogen fertilizer industry
Subject
Subject Source: Library of Congress Subject Headings
Found in 1 Collection or Record:
Travis P. Hignett Collection of Fixed Nitrogen Research Laboratory Photographs
Collection
Identifier: 2003-902
Abstract
Scrapbook and individual images from the United States Department of Agriculture (U.S.D.A.) Fixed Nitrogen Research Laboratory (F.N.R.L.) and other U.S.D.A. sites circa 1920s to 1950s.
Dates:
1920s-1950s; Majority of material found within 1926-1930
Found in:
Science History Institute Archives