Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Gough and Inaccessible Islands' has mentioned 'Guano' in the following places:
Occurrence Sentence Text Source
[15] There was a brief period of human occupation for two years from 1936 to 1938 when farming was done to hunt for birds, their eggs, and to extract driftwood, guano and apples.