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  1. Cattle-fever ticks and methods of eradication / W.P. Ellenberger and Robert M. Chapin.
    By: Ellenberger, W. P. - Chapin, Robert M.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1919.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Cattle  Cattle dip  Cattle tick  Control  Parasites  
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