Q. Which of the following area is known as “rust bowl” of U.S.A?
Answer: Pittsburgh
Notes: In U.S.A, most of the production of iron and steel comes from the north Appalachian region (Pittsburgh), Great Lake region (Chicago-Gary, Erie, Cleveland, Lorain,Buffalo and Duluth) and the Atlantic Coast (Sparrows Point and Morisville). The industry has also moved towards the southern state of Alabama. Pittsburg area is now losing ground. It has now become the "rust bowl" of U.S.A.