Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Chaco Culture' has mentioned 'Region' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| Comprising a UNESCO World Heritage Site located in the arid and sparsely populated Four Corners region, the Chacoan cultural sites are fragile xe2x80x93 concerns of erosion caused by tourists have led to the closure of Fajada Butte to the public. | WIKI |
| After the Pangaean supercontinent sundered during the Cretaceous period, the region became part of a shifting transition zone between a shallow inland seaxe2x80x94the Western Interior Seawayxe2x80x94and a band of plains and low hills to the west. | WIKI |
| Chaco Canyon lies on the leeward side of extensive mountain ranges to the south and west, resulting in a rainshadow effect that fosters the prevailing lack of moisture in the region. | WIKI |
| [16] The region sees four distinct seasons. | WIKI |
| [8] The region averages fewer than 150xc2xa0frost-free days per year, and the local climate swings wildly from years of plentiful rainfall to prolonged drought. | WIKI |
| The cohesive Chacoan system began unravelling around 1140, perhaps triggered by an extreme fifty-year drought that began in 1130;[27] chronic climatic instability, including a series of severe droughts, again struck the region between 1250 and 1450. | WIKI |
| [34] Archaeological and cultural evidence leads scientists to believe people from this region migrated south, east, and west into the valleys and drainages of the Little Colorado River, the Rio Puerco, and the Rio Grande. | WIKI |
| Nomadic Southern Athabaskan-speaking peoples, such as the Apache and Navajo, succeeded the Pueblo people in this region by the 15th century. | WIKI |
| [35][37] Ute tribal groups also frequented the region, primarily during hunting and raiding expeditions. | WIKI |
| Spending five summers in the region, they sent over 60,000 artifacts back to New York and operated a series of trading posts in the area. | WIKI |
| These achievements are particularly remarkable given the harsh environment of the region. | UNESCO |