Research proves value of DDT in control of stored grain insects
Series: Picture story -- no. 52; Picture story (United States. Department of Agriculture) -- no. 52.
Publisher: U.S. Dept. of Agriculture, Office of Information, Press Service
Published: 1948
Place of publication: [Washington, D.C.]
Language: eng
Subjects: DDT (Insecticide); Grain; Diseases and pests
Notes: Caption title.

"July 25, 1948."