Morgan, R. P. C. Soil erosion and conservation / R.P.C. Morgan. - 2nd ed. - Harlow, Essex, England : New York, NY : Longman ; J. Wiley, 1995. - x, 198 p. : ill., maps ; ISBN: 0582244927 0470235144 Subjects--Topical Terms: Soil erosion.Soil conservation. LC Class. No.: S623 / .M68 1995