I don’t know the purpose of these holes

[Retiredlawyer]

Drilled in the rock on the edge of the mesa, not far from a Pueblo.

 

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[Tdog]

Not sure about those but I know of similar ones used for blasting/dynamite.

 

[cyzak]

I have came across these to and they are out in the middle of nowhere and have no idea what they are about, also they are in southeast Colorado.

 

[joshuaream]

How deep are they? How big around? Are they perpendicular to the ground or sideways into the rock.

Bed Rock mortars, blasting holes from mining, natural, lots of options.

 

[Retiredlawyer]

They are about 1-2 inch in diameter, bored down into the surface rock that is on top of the bluff. I haven’t cleaned them out but they are not deep - maybe couple inches. They are definitely not modern.

 

[Fred250]

No clue but thanks for sharing, I’d want to get to the bottom of those holes as well.

 

[Out Of Time]

Are they (unusually deep) cupules?

https://www.parks.ca.gov/?page_id=23014

https://ancientexplorermagazine.wor...ules-a-comparison-study-between-the-americas/

 

[Retiredlawyer]

Now that the weather is getting nice I need to head back out there and clean out the debris to get a better look at them.