The dust bowl
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The Dust bowl. BeforeAfter. Causes. Over cultivation of the Great Plains Tractors and Threshers 1830s 58 hrs to plant and harvest one acre with a horse drawn plow 1930s3 hrs with a tractor Topsoil 6 feet deep

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The Dust bowl

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The dust bowl

The Dust bowl


Before after

BeforeAfter


Causes

Causes

  • Over cultivation of the Great Plains

  • Tractors and Threshers

    • 1830s58 hrs to plant and harvest one acre with a horse drawn plow

    • 1930s3 hrs with a tractor

  • Topsoil 6 feet deep

    • Drought (1930s), high winds, and over cultivation (grass turned over) cause millions of tons of top soil to be carried into the winds.


Causes continued

Causes (continued)

  • Drought:

    • In 1931, rainfall amounts begin to drop and summer temperatures are often above 100°

    • Drought conditions worsen throughout decade, normal rainfall does not return until 1939


Human toll

Human toll

  • People were affected by the following:

    • Devastation of their cropland

    • Respiratory health issues

    • Unsanitary living

    • Rampant crime

    • Debt-ridden families


Dust bowl

Dust Bowl

  • Took place in Colorado, Kansas, Oklahoma, New Mexico, and Texas.

  • Severe droughts and dust storms.

  • 60% of the population leaves the region.


Black sunday

Black Sunday

  • On April 14, 1935, known as "Black Sunday",

  • Twenty of the worst "Black Blizzards" occurred throughout the Dust Bowl

  • Turned day to night.

  • Witnesses could not see five feet in front of them.


Black sunday con

Black Sunday (con.)

  • At times the clouds blackened the sky reaching all the way to East Coast

    • Cities such as New York and Washington, D.C.

    • Much of the soil ended up deposited in the Atlantic Ocean.


Dust bowl exodus

Dust Bowl Exodus

  • The Dust Bowl Exodus was the largest migration in American history within a short period of time.

  • By 1940, 2.5 million people had moved out of the Plains states; of those, 200,000 moved to California.


Okies

Okies

  • Many farm families were forced to leave due to foreclosure and barren land.

    • Okies - Migrants left farms in Oklahoma, Arkansas, Missouri, Iowa, Nebraska, Kansas, Texas, Colorado and New Mexico


Legacy

Legacy

  • Over 300,000 people left Great Plains - mostly for west coast

    • Plains continue to be an environmentally sensitive area

  • Dust Bowl refugees meet with hardship and mistrust in new homes

  • US Government sees importance of preventing environmental disasters


Dust bowl art

Dust Bowl Art


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