7/10
The Cause of the Dust Bowl
14 September 2010
Some of the old time westerns often featured the late 19th century struggles between the cattlemen, who fought for the open range for cattle grazing, and the families of homesteaders / farmers who wanted to break ground and fence-off their respective properties. It was easy to observe early on that, in the movies, the homesteaders were the "good guys." History tells us rather differently, at least in one respect: Clearing the prairie of its great grasses was highly ecologically damaging and far worse than sporadic overgrazing.

This factual documentary was produced to explain the reasons for the dust bowl that occurred in the Great Plains in the 1930s USA. The affected area was vast: 625,000 square miles (400 million acres) that included ten states from Montana to Texas. By 1880 the settlers had cleared the prairie of the Indians and the buffalo. What did the settlers do with the land? Well, there was grazing and farming, and all seemed fine until the first drought. But the rains did return, and as long as there was enough water, agricultural ignorance was put on the back burner. And when the USA went to war against Germany in 1917, there was great demand for grains, especially wheat, and prices soared. Farmers were encouraged to break more sod, seed, and grow even more wheat, which was needed for the allied war effort. Even after the war there was speculation, and more and more settlers were encouraged to purchase more and more "cheap" land, which was placed under cultivation. By 1923, much of the old, hardy grasslands became wheat lands. Times were good; after all it was the new "Jazz Age." Then the lands, without many rivers or streams, experienced a worse drought than that of the 1890s. There were no longer the long, natural grasses to hold the moisture against the wind. Being hardy and with deep root systems, the natural grasses were naturally resistant to many kinds of weather conditions, especially drought. They stood their ground. On the other hand, wheat, with shallower root systems, requires occasional rainfall in the course of a season. When the amount of rainfall began to drop precipitately in the 1930s, the weaker rooting systems of the wheat plant gave way. There was nothing left to protect the dry topsoil, which was blown into large black clouds, the "dust bowl." Then there was the great departure: homesteaders abandoned their lands and animals for western places in order to start over. This film shows that government intervention was meant to encourage methods of erosion-prevention farming. Overall the film is a very good visual record of a difficult time in the Midwest. The music is dramatic, the narrative limited, and the photography excellent!
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