Dust Bowl (1930s): Drought and Dust Storms on the Great Plains

The Dust Bowl was a period of severe drought and dust storms that devastated the southern Great Plains of the United States in the 1930s. From about 1930 to 1936, and in places until 1940, strong winds lifted dry, exposed topsoil from farms in Oklahoma, Texas, Kansas, Colorado and New Mexico, creating vast “black blizzards” of dust. Coming during the Great Depression, it ruined farms, drove hundreds of thousands of people west and changed how Americans think about land and soil.

Causes

Settling the southern Plains

The southern Great Plains are a semi-arid region of flat grassland, with hot summers, cold winters and frequent strong winds. For thousands of years the land was covered by deep-rooted prairie grasses that held the soil in place through dry spells and grazing by bison.

In the late nineteenth and early twentieth centuries, federal laws such as the Homestead Act of 1862 and the Enlarged Homestead Act of 1909 encouraged settlers to claim land on the Plains. Promoters claimed that “rain follows the plough”, an idea with no scientific basis. A series of unusually wet years seemed to confirm the optimism.

The Great Plow-Up

During the First World War, wheat prices soared as Europe’s farms were disrupted, and the US government urged farmers to grow more. In the 1920s new tractors, disc ploughs and combine harvesters made it possible to plough and harvest huge areas quickly. Millions of acres of native grass were turned under for wheat, a process historians often call the “Great Plow-Up”.

When wheat prices fell after the war and then collapsed with the Wall Street Crash of 1929, many farmers ploughed even more land to make up for lower prices. Fields were often left bare between crops, with no grass or stubble to protect the soil from the wind.

The historian Donald Worster estimated that farmers on the southern Plains broke about 5 million acres of new grassland between 1925 and 1930 alone. Much of it was marginal land that received too little rain to support crops in dry years. Absentee “suitcase farmers”, who lived elsewhere and visited only to plant and harvest, added to the problem by leaving fields bare for long periods.

The dust storms

Drought and black blizzards

Severe drought began in 1930 and deepened through the decade, with 1934 among the driest years on record across much of the country. Crops failed, and the dry, powdery soil began to blow. Dust storms became so frequent that people in some parts of the Plains counted dozens in a single year.

The worst storms, known as “black blizzards”, were towering walls of dark dust that could blot out the sun for hours. Static electricity crackled in the air, and drifts of dust piled against fences and buried farm machinery. People sealed windows with wet sheets and tape, but fine dust still seeped into homes, food and lungs.

In May 1934 a great storm carried dust from the Plains all the way to Chicago, Washington and New York, and onto ships in the Atlantic. Estimates of the soil it moved run to hundreds of millions of tons, and it brought the crisis to the attention of the whole nation.

The drought was national as well as regional. At its height in 1934, dry conditions affected roughly three-quarters of the United States, and the summer of 1936 brought a record-breaking heat wave across the Plains and Midwest. Wheat harvests in the worst counties fell to a fraction of normal, and some farmers harvested nothing at all for several years in a row.

Black Sunday

The most famous dust storm struck on Sunday 14 April 1935, remembered as Black Sunday. After a calm, sunny morning, a vast wall of dust swept south across Kansas, Oklahoma and the Texas Panhandle in the afternoon, turning day into night. People caught outdoors could not see their own hands and some were stranded in their cars.

An Associated Press reporter, Robert Geiger, who was in the region, wrote about life in the “dust bowl” in a dispatch published the next day. The name stuck and came to describe the whole region and era.

Life and migration

Life in the Dust Bowl

Families on the Plains struggled to survive. Livestock choked or starved, and the government bought and slaughtered millions of cattle to relieve starving herds and support prices. Many farms were lost to debt and foreclosure.

Dust caused serious breathing problems, and doctors reported many cases of what people called “dust pneumonia”, which was especially dangerous for children and the elderly. Plagues of grasshoppers and jackrabbits added to the misery, and communities held rabbit drives to protect what little remained of their crops.

Yet most people stayed. Historians estimate that a large majority of families in the core Dust Bowl counties remained through the decade, surviving on federal relief, odd jobs and determination.

The migration west

Many others left. By 1940 about 2.5 million people had moved out of the Plains states, and roughly 200,000 or more travelled to California, often along Route 66. In California they were labelled “Okies” or “Arkies”, regardless of their actual home state, and met poverty, low wages and hostility in the farm labour camps of the Central Valley.

Most of these migrants did not come from the heart of the Dust Bowl itself. Many were tenant farmers and sharecroppers from eastern Oklahoma, Arkansas, Missouri and Texas, pushed off the land by the Depression, falling crop prices, mechanisation and federal crop-reduction programmes that encouraged landowners to evict tenants. Popular memory has merged their story with that of the dust storms.

The New Deal response

The Dust Bowl became a key test of President Franklin D. Roosevelt’s New Deal. Federal agencies provided emergency relief, bought livestock, gave loans and paid farmers to take land out of production.

Hugh Hammond Bennett, a soil scientist who had long warned about erosion, became the leading advocate of conservation. According to a well-known story, a dust storm from the Plains darkened the sky over Washington in the spring of 1935 while he was testifying before Congress, helping to make his case. Congress passed the Soil Conservation Act on 27 April 1935, creating the Soil Conservation Service, today the Natural Resources Conservation Service.

The service encouraged contour ploughing, terracing, strip cropping, crop rotation and the planting of cover crops and grass on damaged land. Local soil conservation districts, run by farmers themselves, spread from 1937. The Prairie States Forestry Project, or “shelterbelt” programme, planted around 220 million trees in long belts across the Plains between 1935 and 1942 to slow the wind. The government also bought heavily eroded land and later restored it as national grasslands.

The end of the Dust Bowl

Rain returned to much of the region in 1939 and 1940, and conservation practices took hold. During the Second World War, high demand for wheat brought prosperity back to Plains farmers. Severe droughts struck again in the 1950s, but the soil conservation measures adopted after the 1930s helped prevent a disaster on the same scale.

Culture and memory

The Dust Bowl left a deep mark on American culture. John Steinbeck’s novel The Grapes of Wrath (1939) followed the Joad family from Oklahoma to California and won the Pulitzer Prize; its film version followed in 1940. Woody Guthrie, who lived through dust storms in Pampa, Texas, recorded his album Dust Bowl Ballads in 1940.

Photographers working for the Resettlement Administration and the Farm Security Administration, including Dorothea Lange and Arthur Rothstein, documented the drought and the migrants. Pare Lorentz’s government documentary The Plow That Broke the Plains (1936) blamed poor land use for the disaster.

Arthur Rothstein’s 1936 photograph of a farmer and his two sons walking through a dust storm in Cimarron County, Oklahoma, became one of the defining images of the era. Interest has continued: Ken Burns’s documentary series The Dust Bowl (2012) brought survivors’ memories to a new generation.

Myths and facts

• Myth: The Dust Bowl was caused by drought alone. Fact: Drought was the trigger, but the loss of protective grassland through intensive ploughing made the soil vulnerable to wind.
• Myth: Most “Okies” fled dust storms. Fact: Many migrants came from areas outside the Dust Bowl and left because of economic hardship, debt and eviction.
• Myth: Everyone left the Dust Bowl. Fact: Most families in the worst-hit counties stayed and endured.
• Myth: Dorothea Lange’s famous Migrant Mother (1936) shows a Dust Bowl refugee. Fact: The woman, Florence Owens Thompson, was born in Oklahoma but had moved to California in the 1920s; the photograph shows Depression-era farm labour poverty rather than a family fleeing dust storms.

By the numbers

Timeline

• 1909: The Enlarged Homestead Act encourages settlement of the dry Plains.
• 1914-1918: High wartime wheat prices spur the ploughing of grassland.
• 1930-1931: Drought begins on the southern Plains.
• 9-11 May 1934: A great dust storm carries dust to Chicago and the East Coast.
• 14 April 1935: Black Sunday; the term “Dust Bowl” appears in print the next day.
• 27 April 1935: The Soil Conservation Act creates the Soil Conservation Service.
• 1936: The Plow That Broke the Plains is released.
• 1939: The Grapes of Wrath is published.
• 1939-1940: Rain returns to much of the region.

Why it matters

The Dust Bowl was one of the worst environmental disasters in American history and a powerful example of how human land use can turn a natural drought into a catastrophe. Together with the Great Depression, it shaped the New Deal, created a lasting federal role in soil conservation and inspired some of the most enduring works of American literature, music and photography.