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	1.	No cover image available Mineral resources of Sri Lanka by Herath, J.W Series: Economic bulletin ; No.2 Language: Publication details: Geological Survey Department Colombo ; 1980 Availability: Items available for reference: National Science Library & Resource Center: Staff collection (1). Add to cart (remove)
	2.	No cover image available Gravity map of Sri Lanka 1:1 000 000 by Hatherton, T Pattiaratchi, D.B Ranasinghe, V.V.C Series: Professional Paper ; No.3 Language: Publication details: Geological Survey Department Colombo ; 1975 Availability: Items available for reference: National Science Library & Resource Center: Staff collection (1). Add to cart (remove)
	3.	No cover image available Mineral resources of Sri Lanka by Herath, J.W Series: Economic bulletin ; No.2 Language: Publication details: Geological survey Department Colombo ; 1975 Availability: Items available for reference: National Science Library & Resource Center: Staff collection (1). Add to cart (remove)
	4.	No cover image available Industrial clays of Sri Lanka Geology, mineralogy and appraisal for ceramics and other industries by Herath, J.W Series: Economic Bulletin No. 1 Language: Publication details: Geological Survey Department Colombo ; 1973 Availability: Items available for reference: National Science Library & Resource Center: Staff collection (1). Add to cart (remove)

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