So that discovery was made in December, 1903, and it was made by Richard's son, Arthur, who was digging a drainage ditch to try to combat the seasonal flooding that they had in the caves.
Essa descoberta foi feita em dezembro de 1903. Foi feita por Arthur, filho de Richard, que estava a escavar uma vala de drenagem para combater as cheias sazonais que ocorriam nas grutas.