Dust bowl (30 déc. 1930 – 30 déc. 1936)
Description:
The Dust Bowl was a period of severe dust storms that greatly damaged the ecology and agriculture of the American and Canadian prairies during the 1930s; severe drought and a failure to apply dryland farming methods to prevent the aeolian processes (wind erosion) caused the phenomenon.Ajouté au bande de temps:
Date:
30 déc. 1930
30 déc. 1936
~ 6 years