✅ SOLVED What could these symbols mean? Also found a button.

[JWS]

I found some symbols carved into a rock in a remote part of the southwest in an area that was Spanish occupied for sure. Some interesting gravel like stuff near the rock. Also found some markings scratched on a boulder in the same area. Took a lot of walking and exploring. Any idea what they could mean? Could they be Spanish or Mexican era or modern miners?

After some metal detecting found a button nearby (may or may not be related).

 

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[robertk]

They all look modern to me. The markings look like they were done with an angle grinder.