sluice

As the flood sluiced inland, the current was fast and strong enough to drown even the most accomplished swimmer.

Dump trucks carried the soil to an immense sluicing operation, where water from two reservoirs washed away dirt to reveal gold nuggets.

People on social media brandish gold-flecked pans and nuggets while showing off their equipment, ranging from old-fashioned picks to gold-separating sluice boxes.

The action sets sail with a hefty oceanic sequence where Edwards leans on his expertise in sluicing fins and underwater ka-thumps.

Other heavy construction equipment including excavators and sluice and slurry pumps were brought in, as well as technical experts and "several hundred tons of gravel and earth", the US Army said.