CSs of rust postules on flax and on barley. MS, MCS and CSs of barberry bush showing rust "cluster cups". LSs, MSs and CSs of men spraying barberry bushes from truck. MSs of men spraying green wheat. LSs, MSs and CSs of wheat swathing operations. Shots of sky with cloud effects. MCSs of wind blowing over snow. MCSs of grain flowing from spout of combine. Numerous LS PANs, MSs and CSs of fields of green wheat. Several LS PANs of fields of ripe wheat, some with Rockies in background. CSs of ripe wheat heads. LSs of experimental test plots of ripe wheat.