The only difference is a sharpening mask applied to the intermediate mountains. I can't decide which I prefer.
Preferences? General comments? I've put up slightly larger versions than normal, to make the differences easier to see.
Hi Jeremy, have you tried reading this book by Dan Margulis
? Dan has quite a few methods contained within this book that allow you really bring out the best in canyons.
Warning: this book is not for the feint hearted PS user, as it goes very deeply and very quickly into the depths of PS and L. A. B. colour theory, but well worth the effort if you can stick with it.