Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Cahokia Mounds State Historic Site' has mentioned 'Park' in the following places:
Occurrence Sentence Text Source
This historic park lies in south-western Illinois between East St. Louis and Collinsville.
[4] The park covers 2,200 acres (890xc2xa0ha), or about 3.5 square miles (9xc2xa0km2), and contains about 80 mounds, but the ancient city was much larger.
To date, 109 mounds have been located, 68 of which are in the park area.
Cahokia Mounds was first protected by the state of Illinois in 1923 when its legislature authorized purchase of a state park.