It was surveyed by the Falkland Islands Dependencies Survey in 1955 -- 57 .
It was mapped from photos taken by Hunting Aerosurveys Ltd in 1956 -- 57 .
It was surveyed by the Falkland Islands Dependencies Survey in 1955 -- 57 , and mapped from photos taken by Hunting Aerosurveys Ltd in 1956 -- 57 .