Board Thread:Theories and Rumors/@comment-33590000-20190708171844/@comment-30938718-20190709124558

They might have did, but it could have still oringnaly belonged to Yost. They could have just simply didn't discover the map (I mean, why would they think there was one?). Or perhaps they didn't use it and the logo was a mark, to show the Ninja that they were already there.