Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Stone classification: Tuff
| Wall Number | Country | State Sort descending | Source | Description |
|---|---|---|---|---|
| 6LA38 | Mexico | Oaxaca State | light green, fine grain, compact rhyolite | |
| 6LB38 | Mexico | Morelos State | light reddish-brown, fine grain, compact | |
| 6RA37 | Mexico | Zacatecas State | pinkish, fine grain, compact, rhyolite | |
| 6RB37 | Mexico | Oaxaca State | brown, white-mottled, fine grain, porous | |
| 6RB38 | Mexico | Huehutoca | Red, coarse grain, rhyolite | |
| 10LA40 | Mexico | Zacatecas State | buff, brown-banded, fine grain, compact | |
| 10LA41 | Mexico | Zacatecas State | greenish-gray, fine grain, compact, rhyolite | |
| 7LA36 | United States | Arizona | Kirkland | gray, fine grain, volcanic tuff |
| 8RA38 | United States | Arizona | Kirkland | gray, fine grain, volcanic tuff |
| 7RB45 | United States | New Mexico | Santa Fe | light gray, fine grain, rhyolite tuff* (used in Santa Fe Cathedral) |
| 5LB28 | United States | California | Cordelia | gray, coarse andesite |
| 5RB30 | United States | California | Lordsburg | dull-red, fine grain, compact, basalt |
| 6rb33 | United States | Colorado | Castle rock | light gray, fine grain, rhyolite |