Geology of the country around Polonnaruwa - [Department of mineralogy (Geological survey of Ceylon)] 1959 - ix,12-75p. Illustration 24cm x 17cm 12 plates. 2 geological maps - Memoir no.1 . Subjects--Topical Terms: Geology - Sri Lanka - PolonnaruwaGeology Dewey Class. No.: 555.493 / GSM