288 
MINERALS YEARBOOK, 1967 
 
 According to the American Iron and Steel Institute, steel production in
Illinois was 10.6 million tons, a decrease of 3 percent from the 1966 quantity.

 
 Other Metals.—American Zinc Co. recovered byproduct cadmium at its
Monsanto plant and byproduct cadmium and germanium from domestic zinc ores
at its Fairmont City plant; both plants are in St. Clair County. The New
Jersey Zinc 
Co. recovered cadmium as a byproduct of domestic zinc ore at its Depue plant,
in Bureau County. United Refining & Smelting Co. produced bismuth and
cadmium and some low-melting alloys at its Franklin Park plant, in Cook County.
American Potash & Chemical Corp. processed concentrates containing thorium,
rare-earth elements, and yttrium at its West Chicago plant. The company raised
its yttrium oxide capacity to 150,000 pounds per year.