Regional analysis of production adjustments in the major field crops : historical and prospective : an application of spatial linear programming /

Literature cited and selected references: p. 38-41.

Regional location of production of major field crops at alternative demand and price levels, 1975; a linear programing analysis,

Issued in cooperation with Iowa State University of Science and Technology, Agriculture and Home Economics Experiment Station, and the Center for Agricultural and Economic Development.

Directory of field activities of the Bureau of Entomology.

Includes index.

Directory of field activities of the Bureau of Plant Industry.

Includes index.

Directory of field activities of the Bureau of Plant Quarantine, 1933.

Includes index.

Macrolepidoptera and their parasites reared from field collections in the northeastern part of the United States /

Contribution from Bureau of Entomology.

Directory of organization and field activities of the Department of Agriculture /

Includes index.

Directory of field activities of the Bureau of Biological Survey, 1939.

Includes index.

Directory of organization and field activities of the Department of Agriculture, 1939 /

Includes index.

Directory of organization and field activities of the Department of Agriculture, 1941 /

"In cooperation with the Offices of Information and Personnel, and the other offices and bureaus of the department."

Directory of field activities of the Bureau of biological survey.

Issued June 1929; Revised October, 1932.

Field-degradation effects on cotton fiber and yarn quality

Bibliography: p. 17-18.

Microlepidoptera and their parasites reared from field collections in the Northeastern United States /

Includes index.

Instructions concerning the work of the Field Inspection Division.

At head of title: U.S. Dept. of Agriculture. Bureau of Animal Industry. A.D. Melvin, chief of bureau.

Interim report, together with Individual views, of the Select Committee on Improper Activities in the Labor or Management Field, 85th Congress, 2d session, pursuant to S. Res. 74 and 221.

"Individual views" of Senator Pat McNamara.