  2012 - Field Book for Describing and Sampling Soils [Version 3.0] (Paperback) ISBN-13: 9781782664093 ISBN-10: 1782664092 Genres: Science & Math, Engineering & Transportation ?  2010 - Keys to Soil Taxonomy [Eleventh Edition] (Paperback) ISBN-13: 9781782662112 ISBN-10: 1782662111 Genre: Science & Math ?  2007 - Keys to Soil Taxonomy (Paperback) → Paperback ISBN-13: 9780926487222 ISBN-10: 0926487221 Genre: Science & Math ? |
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