MEAD, Okla. - A Silver Alert has been issued for a Mead, Oklahoma, man, the Bryan County Sheriff's Office said.

Robert Cowan, 75, was last seen about 11 p.m. Monday in the 300 block of W Walnut in Mead. 

Law officers did not have a clothing description.

Cowan could be driving a red, 2017 Chevrolet Silverado pickup with Oklahoma license plate 22E.

Anyone with information about Cowan's whereabouts is asked to call Bryan County sheriff's office at 580-924-3000.