Wadadar, Sudatta Landslide and soil erosion in the Lachung river basin, Sikkim and their impact on Hydro-morphological characteristics in the lower course of the river - Shillong Department of Geography, NEHU 2019 - xiii,181p.:ill.;28cm. Abstract Subjects--Topical Terms: Soil erosion-India-Sikkim-Lachung river-Research Dewey Class. No.: 551.3020954167 / WAD