4 results
 Department of Environment, Tonga
… … … Department of Environment, Tongatonga … water supply … Inland Waters …
 Department of Environment, Tonga
… This report from 1992 (one of a series of reports from the Tonga Water Supply Master Plan Study) presents the findings … water resources study of the islands in the Kingdom of Tonga. It summarises previous work, documents recent and … management and protection. … … Department of Environment, Tongatonga … water … master plan … water supply … water …
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 Department of Environment, Tonga
… … … Department of Environment, Tonga … niuafo'ou … tonga … water … water supply … 1992 … Coastal and Marine … …
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 Department of Environment, Tonga
… system at Hihifo on the island of Tongatapu, Kingdom of Tonga. This report was part of the demonstration project … Change (PACC) programme … … Department of Environment, Tonga … hihifo … tongatapu … water … water supply … pacc … …