Mysteria
structure · Verified35.3148° N · 94.5821° W

Spiro Mound Craig Hollow Chamber — Main Structure

A structure at Spiro Mound Craig Hollow Chamber · 🇺🇸 United States

The structure

About Spiro Mound Craig Hollow Chamber — Main Structure

Principal earthwork — Earthwork 350 m long with diagnostic masonry/panel

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