Morgan, R.P.C. 1942- Soil erosion and conservation / R.P.C.Morgan - 2nd ed. - London : Longman, 1996 - x,198 p. : ill. ; 25 cm includes bibliographical references(p.165-194) and index ISBN: 0582244927 Subjects--Topical Terms: Soil erosionSoil conservation Dewey Class. No.: 631.45 MOR