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  1. The effect of different times of plowing small-grain stubble in eastern Colorado /
    By: Grace, Oliver J.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1915.
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Colorado  Plowing  Stubble mulching  
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  2. Horizontal plowing and hill-side ditching.
    By: Sorsby, Nicholas T.
    Publication info: Mobile,S. H. Goetzel & co.,1860.
    Contributed by: Library of Congress
    Subjects: Drainage  Plowing  Soil conservation  
    BHL Collections: Library of Congress
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  3. The Oliver plow book : a treatise on plows and plowing / by C. A. Bacon.
    By: Bacon, Charles Allen. - Oliver Chilled Plow Works (South Bend, Ind.)
    Publication info: South Bend, Ind. :Oliver Chilled Plow Works,1920.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Indiana  Plowing  Plows  South Bend  
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  4. The Oliver plow book : a treatise on plows and plowing / by C. A. Bacon.
    By: Bacon, Charles Allen. - Oliver Chilled Plow Works.
    Publication info: South Bend, Ind. :Oliver Chilled Plow Works,1920.
    Contributed by: Library of Congress
    Subjects: Indiana  Plowing  Plows  South Bend  
    BHL Collections: Library of Congress
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  5. Traction plowing. By L.W. Ellis ...
    By: Ellis, Lynn Webster.
    Publication info: Washington,Govt. print. off.,1910.
    Contributed by: Library of Congress
    Subjects: Plowing  
    BHL Collections: Library of Congress
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