(b) Coal mining occurs in Westphalia. It is a region in Germany. Copper ore occurs in Bisbee. Bisbee is a city in Cochise County, Arizona, United States, 82 miles southeast of Tucson. Iron ore occurs in Mesabi. The Mesabi Iron Range is a vast deposit of iron ore and the largest of four major iron ranges in the region collectively known as the Iron Range of Minnesota. Discovered in 1866, it is the chief deposit of iron ore in the United States. Baku is famous for petroleum exploration. Baku is the capital and largest city of Azerbaijan, as well as the largest city on the Caspian Sea and of the Caucasus region.
