The city took its name from its principal industry: a factory devoted to graniteware (enamelled ironware) was established in 1891.
petroleum
my balls.
The third Principal Meridian begins at Cairo, at the junction of the Ohio and Mississippi rivers, and extends northward toward Wisconsin and near Rockford to the Illinois Wisconsin border.
The principal office is at 100 W Randolph.
agriculture
Rivers flow in any direction they choose, constantly shifting and changing course in their search for a lower elevation.
That depends on which industry is in question.
Chicago,Illinois
Illinois used to have a big fresh water fishing industry in Meredosia, Illinois in 1976 but pelicans kept coming and flying away with a couple of pounds of fish in their beaks this kept on happening and soon most of the fish had been eaten so that industry cam to an end. therefore currently there is no fishing industries in Illinois.
Chicago, Illinois
the aggregate of manufacturing or technically productive enterprises in a particular field, often named after its principal product: the automobile industry; the steel industry