Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Carlsbad Caverns National Park' has mentioned 'Permian' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| [6] Unlike modern reef growths, the Permian reef contained bryozoans, sponges, and other microorganisms. | WIKI |
| After the Permian Period, most of the water evaporated and the reef was buried by evaporites and other sediments. | WIKI |