Was the Dust Bowl a natural disaster, a man-made agricultural catastrophe, or a federal-policy failure? Students investigate the Southern Plains crisis of 1931-1939 through 9 embedded primary-source images by Dorothea Lange, Arthur Rothstein, and Russell Lee, plus an interactive storm-day chart tracing the escalation from 14 dust storms in 1932 to 68 in 1937.What's Included:- Background tab - environmental and economic context covering wheat-boom plowing, the 1931 drought, Black Sunday (April 14