Exhibit pictures from the four regional research laboratories
By: Bureau of Agricultural and Industrial Chemistry, Agricultural Research Administration, U.S. Dept. of Agriculture.
Contributors: United States. Bureau of Agricultural and Industrial Chemistry.
Series: Miscellaneous publication / United States Department of Agriculture -- no. 617; Miscellaneous publication (United States. Dept. of Agriculture) -- no. 617.
Publisher: U.S. Dept. of Agriculture
Published: 1947
Place of publication: Washington, D.C
Language: eng
Number of pages: 54
Subjects: Agricultural laboratories -- United States.; Agriculture -- United States.
Notes: "Issued January 1947."