Visit to Kingdom of Tonga, 28 March - 7 April 1990
MLSNRE land registration database, 9-11 October 2008
Pacific HYCOS mission to Tuvalu, 27 June - 11 July 2008
Mission to Tonga, 01-05 September 2008
Pacific HYCOS mission to Tuvalu, 25 September - 30 September 2008
Salinity profiling in Mataki'eua, Tonga, 29 September - 11 October 2008
Tonga magnetometer survey, September 1989
Tonga vibro-air survey, August 1988
Water and sanitation project, water supply and sanitation collaborative council working group on demand management and conservation workshop trip report, Oslo, Norway, 28-30 April 1997
Water and sanitation project, visit to Niue, 25-29 April 1995
Water and sanitation project,visit to Cook Islands, 28 January - 1 February 1995
Water and sanitation project, visit to Tahiti, 25 - 27 January 1995
Water and sanitation project, visit to Honiara, Solomon Islands, 14-19 February 1995
Water and sanitation project, visit to Papua New Guinea, 19-23 February 1995
Water and sanitation project, visit to Vanuatu, 12-14 February 1995
Water and sanitation project, visit to Western Samoa, 13-20 March 1995
Water and sanitation project, visit to Western Samoa, 25, 30 April & 1 May 1995
Water and sanitation project, visit to Rarotonga, 22-29 March 1995
Water and sanitation project, visit to Nadroga Province, 30-31 May 1995
Water and sanitation project, visit to Marshall Islands, 1-7 July 1995