Study on soil conservation in the catchment areas above dams in river valley projects. - [New Delhi] 1966 [i.e. 1967- - v. maps. 25 cm. LCCN: sa 68014460 Subjects--Topical Terms: Soil conservation--India. LC Class. No.: S625.I47 / A48 Dewey Class. No.: 631.4/9/54