Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Chaco Culture' has mentioned 'Protected area' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| The richness of the cultural remains at park sites led to the expansion of the small National Monument into the Chaco Culture National Historical Park on December 19, 1980, when an additional 13,000 acres (5,300xc2xa0ha) were added to the protected area. | WIKI |