Estimating 1980 ground-water pumpage for irrigation on the high plains in parts of Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming /

Bibliography: p. 35-36.

Wages and conditions of employment in agriculture.

I. General report.--II. Report of investigations.

History of the Waldenses : with an introductory sketch of the history of the Christian churches in the South of France and North of Italy, till these churches submitted to the pope, when the Waldenses continued as formerly independent of the Papal See /

Includes bibliographical references.

Directory of officials and organizations concerned with the protection of birds and game, 1914.

By Henry Wetherbee Henshaw.

Tentative standard methods of sampling and testing highway materials, adopted by the American Association of State Highway Officials and approved by the Secretary of Agriculture for use in connection with federal-aid road construction. Issued May, 1924; rev. Sept. 1928.

Cover title.