CAPE THOMPSON -- At the Project Chariot site, rusted-out pipes, wires and even a rotting fire extinguisher have lain on the tundra for more than 50 years, the last remnants of a plan to blast out a deep-water port in the Northwest Arctic using nuclear explosives.

And those last bits have left people who live in the region frustrated.

"It's a cover-up," said Point Hope Mayor Jack Schaefer, who has long been critical of the government's attempts to clean up the site over the last two decades.

Read more: Project Chariot cleanup proceeds, but community doubts linger