Add to ORKGRain traps of steel, C. W. Lauritzen 79 Biological clock influences bees 81 Range resources and big game management, George W. Scotter 82 Meeting the protein needs of dairy animals, M. J. Anderson, R. C. Lamb, and G. E. Stoddard 84 USDA scientists identify avian leukosis virus 87 The original go power - bioclimatology - the practical science, by E. Arlo Richardson, Lois M. Cox and Gaylen Ashcroft 88 The effect of water application on soil tilth, Jack Keller 93 Sex hormones and the growth of nursing calves on high mountain ranges in Utah, Joseph T. Blake and Jay W. Call 97 Precondition feeder calves for greater returns, Earl M. Sudweeks, Doyle J. Matthews, and Paul R. Grimshaw 100 Using automobile bodies as fish cover in Bear Lake, William F...