# Weathered growth rings at Aztec Ruins National Monument

- By: Michael Gäbler
- Date: 1978-08
- Classification: Photograph
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Weathered_growth_rings_at_Aztec_Ruins_National_Monument.jpg)
- Rights: [CC BY 3.0](https://creativecommons.org/licenses/by/3.0)
- Picture: https://invisiblenetwork.ai/thumbs/commons/thumb/4/45/Weathered_growth_rings_at_Aztec_Ruins_National_Monument.jpg/1920px-Weathered_growth_rings_at_Aztec_Ruins_National_Monument.jpg
- Who can see it: Tweens profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

Weathered growth rings in a horizontal cross section cut through an tree felled around AD 1111 used for the western building complex at Aztec Ruins National Monument, San Juan County, New Mexico, USA. There is the cross section cut of the tree located in the outer wall of the building.