Table of contents

Better distribution of cattle on mountain ranges, by C. W. Cook and N. Jefferies 31

Research in the social sciences, by G. T. Blanch 32

The biological function of molybdenum, by J. T. Spence 36

Federal grant lands in Utah, their past disposition, by E. B. Wennergren and N. K. Roberts 38

Land leveling and ditch lining, by B. D. Gardner and F. K. Wagstaff 40

Alfalfa and corn silage for pregnant swine, by H. Steffen and J. A. Bennett 43

Feeding systems for turkeys, by D. C. Dobson 46

Research reports 50