Need some help here

[Al D]

I came across this on Google Earth, it looks like an Astrobleme or an old caldera, however, I cannot find anything about what it is on line.
it is located south of Denver Colorado.
see image for coordinates

 

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[Al D]

Lets try that again

 

[Back-of-the-boat]

Maybe a dried up lakebed? A lot of erosion surrounding it, Definitely interesting.

 

[galenrog]

There are numerous volcanic features and now dry lakebeds in Colorado. Boots on the ground should help a bit.

 

[RGINN]

Haven't heard about that one. That would be a thing if you ever get up there, talk to the locals and they can clue you in.