University of Illinois Urbana-Champaign

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Thumbnail for Big Muddy River area assessment
Big Muddy River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Thumbnail for Abundance of trace and minor elements in organic and mineral fractions of coal
Abundance of trace and minor elements in organic and mineral fractions of coal
Kuhn, John K.; Fiene, F.L.; Cahill, R.A.; Gluskoter, H.J.; Shimp, N.F.