1971
Subtitle: research roundup
Contributors: United States. Department of Agriculture. Office of Information
Series: Picture story -- no. 247; Picture story (United States. Department of Agriculture) -- no. 247.
Publisher: U.S. Dept. of Agriculture, Agricultural Research Service
Published: 1972
Place of publication: Washington, D.C
Language: eng
Subjects: Research; Agriculture; United States. Department of Agriculture; United States
Notes: Caption title.

"January 1972."