Authorities say they busted a big marijuana operation in Greene County. It happened Thursday morning at a house on Dunnes Shop Road in the Quinque area. Greene Sheriff Steve Smith says detectives from several agencies discovered four grow rooms in the basement. There was also a room for processing and one for drying. Smith says it was one of the most sophisicated operations the investigators had ever seen. Smith says the total value of the seized marijuana is $665,000. No arrests have been made at this time and the investigation continues.