Webb, T. H.  1948- <br/><br/>
Criteria for defining the soil family and soil sibling :  the fourth and fifth categories of the New Zealand soil classification / 
T. H. Webb and L. R. Lilburne. 
 - Second edition. 
 - 38 pages :  illustrations ;  21 cm. 
 - Landcare Research science series,  no. 3  1172-269X ; .
 - Landcare Research science series ;  no. 3. .
<br/><br/> Revised ed. of Criteria for defining the soilform : the fourth category of the New Zealand Soil Classification / B. Clayden, T.H. Webb (Lincoln, N.Z. : Landcare Research New Zealand, 1994) 
<br/><br/>Includes bibliographical references. 
<br/><br/> Introduction --  Principles of soil family definition --  Naming of soil families --  Soil families for mineral soils :  Soil profile material --  Rock class --  Texture group --  Permeability --  Soil families for organic soils: --  Soil profile material --  Rock class --  Permeability --  Soil siblings: --  Soil depth --  Topsoil stoniness --  Texture --  Drainage class --  Miscellaneous class --  Functional horizons.  1.  2.  3.  4.  1.  2.  3.  1.  2.  3.  4.  5.  6. 
<br/><br/><label>ISBN: </label>0478347286 9780478347289 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--Classification.--New Zealand
<br/><br/><label>Dewey Class. No.: </label>631.440993