Since 2005, One Man Has Been Excavating His Basement Using Only Miniature Remote Controlled Earthmovers

"Scientitst" and financial interests combined with long term problems and short term lifes result in in a bad combination.

By the way salt deposits may actually turn out to be not such a good ides turning out after just a few decades:

http://en.wikipedia.org/wiki/Asse_II_mine

Nothing works. Nothing at all will serve as a warning.
Coastal Japan has carved stones to warn people not to build their houses below their level on a hill, to avoid destruction by tsunami. These stones are written in Japanese, and are only 600 years old. Japan has enjoyed a continuous civilization during this time, and yet some people ignored the warnings, and were washed away in the 2011 tsunami.
The United States has had a concerted program of mass vaccination against preventable diseases for decades, freeing us of the scourge of disabling and deadly childhood diseases that used to infect tens of thousands of children, each, every year. And yet today we are seeing these effective and well-known measures being challenged and actively resisted.
The Great Depression spurred the creation of financial regulations that prevented banks from engaging in overly risky activities using the money of depositors. These regulations and laws saved the country from the cycles of wealth, panic and crash that characterized banking in the 19th and early 20th centuries. Still, the Glass-Steagall Act and other safeguards were repealed or weakened, resulting in the global financial crisis of 2009.
There is no way to warn future generations. Only a few generations are needed for people to forget. If the Department of Energy wishes to keep people away from WIPP, they should make it so openly and dangerously contaminated that anyone who ventures onto its grounds will die a horrible death within a week of exposure. This will keep the memory of its danger fresh for the future.

It occurs to me that the title of this should have said "protect people from our nuclear waste." But jeez, the title was long enough already.

There is, in one way, an advantage over the analogy with Egyptian tombs. In this case, the curse will actually bite you. Placing small samples of the waste that decay at the same rate as the bulk storage but that are easier to get to would at least only harm the first few people who poke it. Not a great solution, but perhaps the lesser of two weevils. A bit of cunning design that makes it impossible to remove before the effects become obvious would stop the samples being removed and scattered.