The farm workforce--trends, ajustments, and technical change: Hired farm labour adjustments and constraints / Jill L. Findeis; Examining farm worker images / Susan Gabbard, Alicia Fernandez-Mott and Daniel Carroll; Changes in the labour intensity of agriculture : a comparison of California,...

The U.S . Senate Committee on the Environment and Public Works is considering legislative proposals to reduce emissions of long-range transport air pollutants which may be a major factor in acid depostion. Preliminary results indicate that these proposals will have substantial ~ pacts on coal...