Economic geology of Sri Lanka Resources, potentialities and current issues - Colombo Geological Survey & Mines Bureau 2008 - xiv, 203p. Illustration 25cm x 18cm Issued to Mr. Ishra Supun (000634) 2022.12.15 ISBN: 9789559323495 Subjects--Topical Terms: Geology - Sri Lanka Economic geologySri Lanka Dewey Class. No.: 553.095493 / GSM