I can also add that the US special services, in 1985, were as close as ever to the solution, they even believed that they managed to crack the card code, but after decrypting it superficially, they did not find anything and tried to change something. The map has three degrees of decoding, one is more or less obvious, but this is a dummy, the second is deeper, but leads to tragedy, the third degree is already complete, it gives a complete picture. Where and where, and how. The most important thing is hidden behind seven seals, it is how to enter safely.
There is one more psychological moment of protection, which our Otto took into account. Well, what is it, for any State, not to mention the United States, some measly tens of tons of gold? -Yes, nothing! - "They lie in the ground and lie." -Even that some hypothetical victims are possible? -So it is, we still have to prove! And without this, none of the official structures will even lift a finger. -But who will prove it? Some idiot, paranoid. -Because it has long been proven that this is a bluff!