Fanning, D. S. Soil : morphology, genesis, and classification / Delvin Seymour Fanning, Mary Christine Balluff Fanning. - New York : Wiley, c1989. - xx, 395 p., [4] p. of plates : ill. (some col.) ; 26 cm. Includes bibliographical references. ISBN: 0471892483(hbk.) Subjects--Topical Terms: Soils.Soil structure.Soil formation.Soils--Classification.