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  1. An essay on calcareous manures.
    By: Ruffin, Edmund,
    Edition: 2d ed.
    Publication info: Shellbanks, Va.,Farmers' register,1835.
    Contributed by: Library of Congress
    Subjects: Fertilizers  Marl  
    BHL Collections: Library of Congress
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  2. An essay on calcareous manures. By Edmund Ruffin.
    By: Ruffin, Edmund,
    Edition: 3d ed.
    Publication info: Petersburg,The author,1842.
    Contributed by: NCSU Libraries (archive.org)
    Subjects: Marl  
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  3. An essay on calcareous manures. By Edmund Ruffin.
    By: Ruffin, Edmund,
    Publication info: Petersburg, Va.,J. W. Campbell,1832.
    Contributed by: Library of Congress
    Subjects: Fertilizers  Marl  
    BHL Collections: Library of Congress
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  4. An essay on calcareous manures. By Edmund Ruffin.
    By: Ruffin, Edmund,
    Edition: 3d ed.
    Publication info: Petersburg,The author,1842.
    Contributed by: Library of Congress
    Subjects: Marl  
    BHL Collections: Library of Congress
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  5. An essay on calcareous manures; by Edmund Ruffin ...
    By: Ruffin, Edmund,
    Edition: 5th ed., amended and enl.
    Publication info: Richmond, Va.,J.W. Randolph,1852.
    Contributed by: Library of Congress
    Subjects: Fertilizers  Marl  
    BHL Collections: Library of Congress
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  6. An essay on calcareous manures; by Edmund Ruffin ...
    By: Ruffin, Edmund,
    Edition: 5th ed., amended and enl.
    Publication info: Richmond, Va.,J.W. Randolph,1852.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Fertilizers  Marl  
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  7. Marl. A letter addressed to the Agricultural Society of Jefferson County, Georgia.
    By: Hammond, James Henry,
    Publication info: Augusta, Ga.Printed by J. McCafferty,1846.
    Contributed by: Library of Congress
    Subjects: Marl  
    BHL Collections: Library of Congress
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  8. Phosphate rocks of South Carolina and the "great Carolina marl bed", with five colored illustrations. A popular and scientific view of their origin, geological position and age; also their chemical character and agricultural value; together with a history of their discovery and development.
    By: Holmes, F. S.
    Publication info: Charleston, S. C.,Holmes' book house,1870.
    Contributed by: Smithsonian Libraries
    Subjects: Geology  Marl  Phosphates  South Carolina  
    BHL Collections: Smithsonian Libraries
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