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  1. Arsenical cattle dips : methods of preparation and direction for use / by Robert M. Chapin.
    By: Chapin, Robert M.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1914.
    Contributed by: University of California Libraries (archive.org)
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  2. 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)
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  3. A field test for lime-sulphur dipping baths /
    By: Chapin, Robert M.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1915.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
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