Extension course in soils
By: by A.R. Whitson and H.B. Hendrick
Contributors: Hendrick, H. B. (Herbert Bradley), 1876-
Series: Bulletin / United States Department of Agriculture -- no. 355; Bulletin of the U.S. Department of Agriculture -- no. 355.
Publisher: U.S. Dept. of Agriculture
Published: 1916
Place of publication: Washington, D.C
Language: eng
Number of pages: 92
Subjects: Agricultural extension work; Soil science; Study and teaching
Notes: Caption title.

"April 13, 1916."