I've been jumping back and forth between colors for the whole image from day one. After looking at it again tonight, I think the Haleakala crater/valley area could also probably be more red/orange, and will try your suggestions on the green. thanks.
I used a VNS2 color map drape, based on Patterson's method for natural earth coloring (fyi he uses Bryce). Registration was off about 20 meters, but I forced a hard coastline with a vector and PS'd the rest. I had 8 classes of land cover reduced from the 16+ of the original sat. data set. I'd like to eventually get a nice ocean texture and some haze too.
I originally photoshoped out the roads thinking that creating rasterized vectors via AI would be cleaner, but am now second guessing that choice because how the sat. data might overlay the topograhy, and will try that soon (or as time permits

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appreciate the comments.
rob