# One spiral designed to mark three or four separate dates is very unlikely; the extra dates are most likely…

> One spiral designed to mark three or four separate dates is very unlikely; the extra dates are most likely chance, and most reviewers take the lunar…

Source: https://mysteriesdept.com/mysteries/chaco-canyon/evidence/EVD0D9KVNY65NF6/one-spiral-designed-to-mark-three-or-four-separate-dates-is  
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

# One spiral designed to mark three or four separate dates is very unlikely; the extra dates are most likely…

One spiral designed to mark three or four separate dates is very unlikely; the extra dates are most likely chance, and most reviewers take the lunar markings as unintended.

Suggestive0

## What it bears on 1 answer

[At moonrise the eastern slab's shadow marks the moon's minor and major standstills on the large spiral, and…](https://mysteriesdept.com/mysteries/chaco-canyon/answers/ANS0D9KVMYY1XT5/at-moonrise-the-eastern-slabs-shadow-marks-the-moons-minor)

Disputed

AGAINST

## Cite it

```
Mysteries Department. (2026). One spiral designed to mark three or four separate dates is very unlikely; the extra dates are most likely… [Evidence EVD0D9KVNY65NF6]. https://mysteriesdept.com/r/EVD0D9KVNY65NF6
```

Key

**EVD** 0D9KVNY65NF6

Kind

Evidence

Tier

Suggestive

Version

1

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