The Glacier County Sheriff's Office has issued an "attempt to locate" alert for Trisha Alexander.
The alert says that she was last seen at around 6:30 p.m. on Tuesday, January 28, dropping her mother off at the Casino in Browning.
She was driving a red 2007 Ford F-150 four-door with a grill guard, with license plate CSZ940.
If you have information on her whereabouts, you are asked to call the Glacier County Sheriff's Office dispatch center at 406-873-2711, or Blackfeet Law Enforcement Services at 406-338-4000.