Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Cahokia Mounds State Historic Site' has mentioned 'Chert' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| It maintained trade links with communities as far away as the Great Lakes to the north and the Gulf Coast to the south, trading in such exotic items as copper, Mill Creek chert,[19] and whelk shells. | WIKI |
| Mill Creek chert, most notably, was used in the production of hoes, a high demand tool for farmers around Cahokia and other Mississippian centers. | WIKI |