Dust Bowl, Dirty Thirties: Nice sequence of binder pulled by team of four horses, cutting wheat on prairie. CS of tractor pulling early model combine, cutting wheat field. Two farm hands stooking wheat. Sequence of stook threshing in wheat field. CS of man shovelling coal into steam tractor. Good shots of tractor in operation during threshing. MLS of farmers gathered in wheatfield listening to provincial agricultural representative. CU of farmer's hand turning back pocket indicating no money. CUs of 1920's tractor ploughing prairie, plough cutting through dry sod and stubble.