Fanning, Delvin Seymour Soil : morphology, genesis, and classification / Delvin Seymour Fanning, Mary Christine Balluff Fanning. - New York : John Wiley & Sons, c1989. - xx, 395 p. : ill. ; 26 cm. Includes bibliographical references and index. Subjects--Topical Terms: Soils.Soil structure.Soil formation.Soils--Classification. LC Class. No.: S591 / .F36 1987 Dewey Class. No.: 631.4