Morgan, R. P. C. (Royston Philip Charles), 1942- Soil erosion and conservation R. P. C. Morgan - 2nd ed. - Harlow, Essex Longman 1995 - 198 p. : ill. ; 25 cm. ISBN: 0582244927 RM74.25 LCCN: 95-9895 Subjects--Topical Terms: Soil erosionSoil conservation