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  1. By: Davis, Lloyd R. - LaBerge, Wallace E.
    Publication info: Urbana, Illinois Natural History Survey, 1975
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Andrena  Bees  Brownfield Woods  Illinois  
  2. By: Schrader, Martha Northam. - LaBerge, Wallace E. - Illinois. Natural History Survey Division
    Publication info: Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1978
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Andrena  Bees  Champaign County  Illinois  New Brunswick