I'm swingin' blindly here, but I'd say that first, it's on the other side of the new world, and depending on how early in the 17th century, may represent one of

I'm swingin' blindly here, but I'd say that first, it's on the other side of the new world, and depending on how early in the 17th century, may represent one of the earliest points of contact between the Spanish and the PNW. Their first official voyage was in the 18th century, I believe. So aside from the possibility of Francis Drake making it that far North earlier (which is another fascinating rabbit hole), this seems to be solid proof of a theory/rumor/legend that now has some supporting evidence.