Sonar images of some of the White Terraces of Rotomahana have shown up in sidescan sonar data from a GNS Science led expedition in January 2011. Cornel de Ronde explains the discovery.
Archival Images courtesy of the Alexander Turnbull Library Wellington http://www.natlib.govt.nz/atl
and Te Papa Museum
http://collections.tepapa.govt.nz/obj...