Morgan, R. P. C. Soil erosion and conservation / R. P. C. Morgan - New York : Longman Scientific & Technical, c1986. - ix, 298 p. ; ill. ; 25 cm. ISBN: 0470206713 LCCN: Subjects--Topical Terms: Soil erosion.Soil conservation. LC Class. No.: S622.2 / .S65 1986 Dewey Class. No.: 631.4 / M8475