Fragipans: Their Occurrence, Classification and Genesis : Proceedings of a Symposium Sponsored by Divisions S-5 and S-9 of the Soil Science Society (S S S A SPECIAL PUBLICATION)
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OAK GROWTH AS INFLUENCED BY AN OZARK FRAGIPAN
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Fragipan Soils in the Lower Mississippi River Valley: Their Distribution, Characteristics, Erodibility, Productivity, and Management (Classic Reprint)
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