The historical saga of the geologycal survey of Sri Lanka
Seneviratne , L.K.
The historical saga of the geologycal survey of Sri Lanka - Colombo Geologycal Survey & Mines Bureau 2011 - v,76[92] p. 31 cm.
9789559323686
GEOLOGYCAL SYRVEY SRI LANKA
GEOLOGY SRI LANKA
EARTH SCIENCES
551.095493 / SEN
The historical saga of the geologycal survey of Sri Lanka - Colombo Geologycal Survey & Mines Bureau 2011 - v,76[92] p. 31 cm.
9789559323686
GEOLOGYCAL SYRVEY SRI LANKA
GEOLOGY SRI LANKA
EARTH SCIENCES
551.095493 / SEN