# A 3D model built from 1984 photogrammetry and a 2005 laser scan reproduces the 1978 photographs of the…

> A 3D model built from 1984 photogrammetry and a 2005 laser scan reproduces the 1978 photographs of the solstice and equinox markings.

Source: https://mysteriesdept.com/mysteries/chaco-canyon/evidence/EVD0D9KVH1Y3WD0/a-3d-model-built-from-1984-photogrammetry-and-a-2005-laser  
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

# A 3D model built from 1984 photogrammetry and a 2005 laser scan reproduces the 1978 photographs of the…

A 3D model built from 1984 photogrammetry and a 2005 laser scan reproduces the 1978 photographs of the solstice and equinox markings.

Supported0

## What it bears on 1 answer

[The slabs were set or shaped so that midday light marks the solstices and equinoxes on the spirals, and the…](https://mysteriesdept.com/mysteries/chaco-canyon/answers/ANS0D9KVGJA3VMP/the-slabs-were-set-or-shaped-so-that-midday-light-marks-the)

Most likely

FOR

## Cite it

```
Mysteries Department. (2026). A 3D model built from 1984 photogrammetry and a 2005 laser scan reproduces the 1978 photographs of the… [Evidence EVD0D9KVH1Y3WD0]. https://mysteriesdept.com/r/EVD0D9KVH1Y3WD0
```

Key

**EVD** 0D9KVH1Y3WD0

Kind

Evidence

Tier

Supported

Version

1

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