00507 a2200181 4500 9555900019 551.9 DIS 20127 31215 Dissanayake, C. B. The hydrogeochemical atlas of SriLanka Colombo Natural Resources Energy and Science Authority of SriLanka 106p. 28cm Earth sciences Geochemistry Geology, hydrology, meteorology Weerasooriya, S. V. R. sc 47786 47786 0 0 0 0 SLC MKDL MKDL SLC 2009-07-21 0 551.9DIS 53154 2009-07-21 00:00:00 0.00 2016-10-31 PR