Insecticides and equipment for controlling insects on fruits and vegetables /

Issued Nov. 1943 ; Slightly rev. 1945.

The Salt problem in irrigation agriculture : research at the United States Regional Salinity Laboratory.

Cover title.

Irrigation agriculture in the West /

"Issued November 1948."

Houses and equipment for laying hens, for loose housing /

Originally issued 1956 ; Slightly rev. Oct. 1960.

Houses and equipment for laying hens, for loose housing /

Supersedes Farmers' bulletin 1554, Poultry houses and fixtures.

Distribution, control, and measurement of irrigation water on the farm /

"Issued July 1963."

Playgrounds and playground equipment /

Reprinted from "The playground," September, 1908 by the Playground Association of America and the Playground Extension Committee of the Russell Sage Foundation.