Trade Circle 1
Aluminum, Cattle, Coal, Fish, Iron, Lumber, Marble, Oil, Rubber, Sugar, Water, Wheat
Gives bonuses of Steel, Automobiles, Beer, Construction, and Asphalt
Trade Circle 2
Aluminum, Wheat, Coal, Water, Gold, Iron, Lead, Lumber, Marble, Oil, Rubber, Pigs
Gives bonuses of Steel, Automobiles, Construction, Microchips, Radiation Cleanup, Asphalt, Scholars, and Beer
All help appreciated!