The Pine County Sheriff's Office is requesting assistance in locating Irvin William Obrien, age 42. Irvin is from the Grasston area. He has last had phone contact with family around 4/25/2019 and it's believed his last known location was in the Braham area. It is unknown if he is on foot or with a vehicle. Law enforcement is concerned for Irvin's well-being and requests your assistance in locating him. Anyone with information of his location should contact the Pine County Sheriff's office at 320-629-8380 or dial 911.