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Sluice Boxes State Park showcases winter art

Posted at 4:01 PM, Jan 18, 2019
and last updated 2019-01-18 18:46:44-05

Winter art is on display at Sluice Boxes State Park.

Montana Fish, Wildlife and Parks shared photos of “ice discs” taken by hikers at the park on January 14.

FWP reported ice discs form on the outer bends in a river where the accelerating water creates a force called ‘rotational shear.’

A rotational shear breaks off a chunk of ice and twists it around.

As the disc rotates, it grinds against surrounding ice and smooths it into a circle.

Sluice Boxes State Park is open all year. The remains of mines, a railroad, and historic cabins are just some attractions.

Click here for more information about Sluice Boxes State Park.

These photos of “ice discs” were taken by hikers in Sluice Boxes State Park on January 14, 2019. Ice discs form on the…

Posted by Montana Fish, Wildlife and Parks Region 4 on Thursday, 17 January 2019