MONTROSE, Colorado - Tulsa area drivers are being asked to help locate a missing Colorado woman.

Authorities have posted a Silver Alert for 82-year-old Mary Finnegan of Montrose, Colorado.  Authorities say Finnegan has family in Colorado and Oklahoma.

They say she was last seen Friday leaving her Delta County home in her silver 2011 Mercury Grand Marquis with Colorado license plate 841-VRB.

If Finnegan or her car are spotted, call police.