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.

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.

U.S. Army Corps of Engineers is testing equipment at Salt Plains National Wildlife Refuge near Jet in Alfalfa County to determine what will be most effective in its on-going safety assessment and ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. CHEROKEE, Okla. (KFOR) — Crystal digging ...

CHEROKEE — The big question is: When will the crystal digging area at Salt Plains National Wildlife Ref-uge reopen? The answer is: No one knows. The area has been closed since last April after about ...