600 years of resource depletion led to environmental collapse. Four Corners region had been intensively farmed and logged for over 600 years by late 1200s Pollen records show juniper woodland disappeared within 20 km of large villages People were burning corn stalks and roof thatch for fuel due to firewood exhaustion
Before the drought hit, centuries of intensive farming had already exhausted Mesa Verde. Juniper woodland vanished within 20 km of villages. Springs that once flowed year-round dried up. People resorted to burning corn stalks and roof thatch for fuel — unprecedented in earlier periods. The seeds of abandonment were sown long before 1270. 🌾
Key Facts
- Four Corners region had been intensively farmed and logged for over 600 years by late 1200s
- Pollen records show juniper woodland disappeared within 20 km of large villages
- People were burning corn stalks and roof thatch for fuel due to firewood exhaustion
- Springs that once flowed year-round had dried to seasonal seeps or stopped entirely
- At Sand Canyon Pueblo, excavators found inhabitants burning corn cobs and stalks in hearths, unprecedented in earlier periods
Related site: Villa Romana de Río Verde — view location, images, and history on the Ancient Nerds map.
Source: Why did the Cliff Dwellers Disappear? by Luke Caverns