Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Alejandro de Humboldt National Park' has mentioned 'United States' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| This continued into the 1980s with the proposal of the Ojito del Agua Refuge, associated with the last sighting of the royal woodpecker, a last remnant of this species which was already extinct in its other habitats in the United States and Mexico. | WIKI |