Actually, I'm pretty sure that you HAVE seen this pictograph, so I'll toss out a few more clues:
When I took these pictures, this is where I parked:
This is a different pictograph from the same rock face (A very unusual Kokopelli!):
And this is that same pictograph, a wider shot of the spot where it's located:
As for the meaning of the scene, you're correct about the warriors and the shaman, but are you sure about that big white snake? Take another look at the blow-up view:
Now! Can somebody tell me the name of this rock art panel? Or at the very least tell me where I am?
Rick