Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Monumental Earthworks of Poverty Point' has mentioned 'Economy' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| The mound complex is a singular achievement in earthen construction in North America: it was not surpassed for at least 2,000 years (and only then by people supported by a farming economy). | UNESCO |