Geology of the country around Battulu Oya and Puttalam - Colombo Geological Survey and Mines Bureau 1995 - ix, 52p. Illustration 20 cm x 30 cm - Memoir 5 . ISBN: 9559323024 Subjects--Topical Terms: Geology - Sri Lanka - Battulu Oya Geology - Sri Lanka - Puttalam Geology Dewey Class. No.: 555.493 / GSM