Place: Lake Rotomahana home > Collections > Search the Collection > Place: Lake Rotomahana Collections Conservation Search the Collection Taoka Digitisation Project Publications Rock, Silicious sinter Rock, Silicious sinter, Sulphur, Hand sample Rock, Silicious sinter, Sulphur Rock, Volcanic ash, and Rock, Volcanic ash, and Rock, Volcanic ash, and Rock, Volcanic ash, and Rock, Volcanic ash, and Rock, Volcanic ash, and Rock, Volcanic ash, and Rock, Volcanic ash, and Parent category Bay of Plenty District