The Collapse of Chaco Canyon: Recent Study Challenges Drought Theory
The raw materials used to create these Astro-temples were not readily available and so sandstone and timbers were transported from great distances. Massive timbers were necessary to line the rooftops of the kivas. These large timbers were harvested so far away that archaeologists remain unsure as to their origins. Small springs were utilized, but it seems the inhabitants were dependent on, and controlled, a network of offerings that flowed from the north and south. Meanwhile, archaeological evidence has only uncovered several hundred, strange burials. Some Great House chambers that seem to b...
Source: ancient-origins.net