Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Chaco Culture' has mentioned 'National monument' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| [46] The Act also authorized the President to establish national monuments: on March 11, 1907, Theodore Roosevelt proclaimed Chaco Canyon National Monument. | WIKI |
| In 1949, the University of New Mexico deeded over adjoining lands to form an expanded Chaco Canyon National Monument. | WIKI |
| As a historic property of the National Park Service, the National Monument was listed on the National Register of Historic Places on October 15, 1966. | WIKI |
| 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 |