Contour farming boosts yields
Subtitle: a farmer's guide in laying out key contour lines and establishing grassed waterways
Series: [Agriculture war information series] -- [no. 23; AWI -- no. 23.
Publisher: U.S. Dept. of Agriculture
Published: 1943
Place of publication: Washington, D.C.]
Language: eng
Subjects: Contour farming; World War, 1939-1945; Pamphlets
Other titles: Farmer's guide in laying out key contour lines and establishing grassed waterways
Notes: Cover title.

"AWI-23."

"January 1943"--P. 5.

"501598--43"--P. 1.