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  1. An essay toward a natural history of La Salle County, Illinois, in two parts / J. W. Huett.
    By: Huett, John William.
    Publication info: Ottawa, Illinois :Fair-dealer print,1898.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Botany  Geology  Illinois  La Salle County  La Salle County, Ill  Natural history  Zoology  
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  2. Pennsylvanian conodont assemblages from La Salle County, Northern Ill. /
    By: Collinson, Charles. - Geological Society of America. - Pander Society.
    Publication info: Urbana :Illinois State Geological Survey,1972
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Conodonts  Illinois  La Salle County  Paleontology  Pennsylvanian  
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