Native American western at famous corral on location in California (6)

I believe the answer is:

lakota

I'm a little stuck... Click here to teach me more about this clue!

'native american' is the definition.
(the Lakota are a Native American people)

I cannot understand how the remainder of the clue works.

I've seen this clue in The Times.

Want a hint initially instead of a full solution? Install my app