Water penetration in the gumbo soils of the Belle Fourche Reclamation Project
By: by O.R. Mathews
Series: Bulletin / United States Department of Agriculture -- no. 447; Bulletin of the U.S. Department of Agriculture -- no. 447.
Publisher: U.S. Dept. of Agriculture
Published: 1916
Place of publication: Washington, D.C
Language: eng
Number of pages: 12
Subjects: Soil moisture; Soil penetration test
Notes: Caption title.

"November 22, 1916."