Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Cahokia Mounds State Historic Site' has mentioned 'Mexico' in the following places:
Occurrence Sentence Text Source
[8] Today, the Cahokia Mounds are considered to be the largest and most complex archaeological site north of the great pre-Columbian cities in Mexico.
The largest prehistoric earthen construction in the Americas north of Mexico,[5] the site is open to the public and administered by the Illinois Historic Preservation Division and supported by the Cahokia Mounds Museum Society.
At the high point of its development, Cahokia was the largest urban center north of the great Mesoamerican cities in Mexico and Central America.
Monks Mound is the largest structure and central focus of the city: a massive platform mound with four terraces, 10 stories tall, it is the largest man-made earthen mound north of Mexico.
Located in Collinsville, Illinois near the city of St. Louis, this largest pre-Columbian settlement north of Mexico is the pre-eminent example of a cultural, religious, and economic centre of the Mississippian culture (800xe2x80x931350), which extended throughout the Mississippi Valley and the south-eastern United States.
Criterion (iii): Dating from the Mississippian period (800xe2x80x931350 at this site), Cahokia Mounds is the largest pre-Columbian archaeological site north of Mexico; it is also the earliest of the large Mississippian settlements.