Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Ancient Maya City and Protected Tropical Forests of Calakmul, Campeche' has mentioned 'Tertiary' in the following places:
Occurrence Sentence Text Source
[14] The kingdom also included a large number of tertiary and quaternary sites, mostly fairly small and consisting of a number of groups arranged around courtyards, although there are also larger rural sites situated on ridges along the edges of the bajos that include temples, palaces and stelae.