Below are the maps acquired by Nebula's crew at Rocas Rojas in Chapter 6, including Twilight Sparkle's added notes. They contain mild spoilers for certain events. They are not necessary to understand the story, but may be enjoyable to study as the action progresses. To that end, I've noted what chapters should be read before looking at each map, if you want to completely avoid all spoilers.
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Chapter 8
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Chapter 11
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