# Kohler and colleagues argue the Southwest was greener before 1200 and crude birth rates were high, so the…

> Kohler and colleagues argue the Southwest was greener before 1200 and crude birth rates were high, so the highest previous estimates are too low.

Source: https://mysteriesdept.com/mysteries/chaco-canyon/evidence/EVD0D9KV0EP5M32/kohler-and-colleagues-argue-the-southwest-was-greener-before  
Publisher: Mysteries Department  
Licence: CC BY 4.0 (credit Mysteries Department and link the page)  

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[Great houses of Chaco Canyon](https://mysteriesdept.com/mysteries/chaco-canyon)Evidence

Evidence · Great houses of Chaco Canyon

# Kohler and colleagues argue the Southwest was greener before 1200 and crude birth rates were high, so the…

Kohler and colleagues argue the Southwest was greener before 1200 and crude birth rates were high, so the highest previous estimates are too low.

Suggestive0

## What it bears on 1 answer

[More people lived in the canyon and its region than earlier high estimates allow, in a greener and fertile…](https://mysteriesdept.com/mysteries/chaco-canyon/answers/ANS0D9KV06W3FW8/more-people-lived-in-the-canyon-and-its-region-than-earlier)

Still possible

FOR

## Cite it

```
Mysteries Department. (2026). Kohler and colleagues argue the Southwest was greener before 1200 and crude birth rates were high, so the… [Evidence EVD0D9KV0EP5M32]. https://mysteriesdept.com/r/EVD0D9KV0EP5M32
```

Key

**EVD** 0D9KV0EP5M32

Kind

Evidence

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Suggestive

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1

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