Okay, I got a sort of bump map going showing where I would like to have the mountains end up. I edited the landmasses a little because having such large bodies of water without outlets was kind of annoying me for some reason. I'm hoping these mountain placements look okay. The whiter they are, the higher the elevation.

I'll probably end up tweaking the elevations a tiny bit because the way this one was generated makes it look far too fractally.

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