The period of time came to be called the “Dirty Thirties.”

这段时间也被称作“肮脏的三十年代”。

By 1940 around 65,000 people had migrated from Nebraska  during the period known as the " dirty thirties." The climate on the Great Plains was always  unpredictable, but the 1930s brought unprecedented weather conditions.

到 1940 年，大约有 65,000 人在被称为“肮脏的三十年代”的时期从内布拉斯加州移民。大平原的气候总是变幻莫测，但 1930 年代带来了前所未有的天气状况。