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  • This report outlines the level survey completed during the visit to Rarotonga, Cook Islands during 15 - 22 June 2008. This is the third EDM Height Traversing levelling survey of the deep bench mark array in Rarotonga, Cook Islands. This is a repeat survey. On eight previous occasions, from 1993 to August 2004, the Cook Islands level survey was performed by the National Tidal Centre (NTC) using the Precise Differential Levelling technique. This project is sponsored by the Australian Agency for International Development (AusAID), managed by the Bureau of Meteorology (BOM) and supported by the National Geospatial Reference Systems (NGRS) Project, Geospatial Earth Monitoring Division, GEOSCIENCE AUSTRALIA.