Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Pre-Hispanic Town of Uxmal' has mentioned 'Archaeological' in the following places:
Occurrence Sentence Text Source
Archaeological research at the small island site of Uaymil, located to the west on the Gulf coast, suggests that it may have served as a port for Uxmal and provided the site access to the circum-peninsular trade network.
The 16th century A.D. Maya history known as The Books of Chilam Balam dates the foundation of Uxmal to the later 10th century A.D. Archaeological investigations and radiocarbon dating suggest that the main structures in the complex, including a series of hydraulic works, such as reservoirs for storing rainwater (the chultunoob), were built between the 8thxc2xa0 and 10th century A.D. During this period Uxmal grew from a peasant town into a political and administrative centre with up to 20,000 inhabitants.
Systematic archaeological work began in 1940, carried out by US archaeologists, and has continued since that time, carried out by Mexican specialists in association with conservation and restoration activities.
The 1972 Federal Law on Monuments and Archaeological, Artistic, and Historical Zones establishes public ownership of all archaeological properties, even if these are situated on privately owned lands.
This applies in the case of the Hacienda Uxmal, where part of the archaeological zone is located.