JET, Okla. — Grab some sunscreen, shovels and water... it's time to dig for crystals! The Salt Plains National Wildlife Refuge in Jet, Okla. opens for crystal-digging season April 1 - Oct. 15.

Get your buckets and shovels ready! Starting Friday April 1, visitors to Salt Plains National Wildlife Refuge in northwestern Oklahoma can dig for crystals in the refuge's 13,000-acre salt flat.

CRYSTAL PARK, Mont. — Molten granite formed the Pioneer Mountain Range in southwest Montana about 72-million years ago. As the granite cooled, water carried quartz and other minerals through the rocks ...

It's almost crystal digging season in Oklahoma. Starting April 1, you can enjoy the 11,200-acre salt flats and collect the state crystal of Oklahoma free at the Salt Plains National Wildlife Refuge.

DILLON, Mont. — Molten granite formed the Pioneer Mountain Range in southwest Montana about 72-million years ago. As the granite cooled, water carried quartz and other minerals through the rocks and ...