Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Stone Circles of Senegambia' has mentioned 'Archaeological' in the following places:
Occurrence Sentence Text Source
In 2002, an expedition was launched in the Petit-Bao-Bolong drainage tributary; it was called Sine-Ngayene Archaeological Project (SNAP).
Together, the four groups comprise 93 circles and associated sites, some of which have been excavated, some of which have revealed archaeological material and human burials, from pottery to iron instruments and ornamentation dating between the 1 st and 2nd millennia to our era.