University of Illinois Urbana-Champaign

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Thumbnail for ISGS Geonews
ISGS Geonews
Illinois State Geological Survey

Thumbnail for The abundance of zinc and cadmium in sphalerite-bearing coals in Illinois
The abundance of zinc and cadmium in sphalerite-bearing coals in Illinois
Cobb, James C.; Steele, John D.; Treworgy, Colin G.; Ashby, Jim F.