The Shelby County Sheriff Department joined efforts with other local agencies on on Friday following a call concerning a missing man.  The call came in at around 7:14 p.m. that a white male by the name of Jonathan Burrows, age 30, had left the house where he was staying at approximately 5:30 a.m. and had not returned.  Officers immediately responded to that location and started a search for Mr. Burrows.  He was last seen walking down F.M. 138.  The search was conducted Friday night, all day Saturday through Sunday morning.  At approximately 9:40 a.m. Mr. Burrows was found lying in a pasture off FM 138.     Mr. Burrows appeared to be suffering from hyperthermia and exposure.  Burrows was transported to Nacogdoches Memorial Hospital, by Ace Ambulance service.