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  1. Distribution of boghead algae in Illinois Basin coal beds /
    By: Peppers, Russel Allen, - Harvey, Richard D. (Richard David), - Illinois State Geological Survey.
    Publication info: Champaign, Ill. :Dept. of Natural Resources, Illinois State Geological Survey,1997.
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Algae, Fossil  Analysis  Coal  Illinois Basin  Paleobotany  Spores (Botany), Fossil  Torbanite  
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