Joshua Dyson, 30, and Daniel Dockery, 27, are facing charges for selling Fentanyl in Geneva.
An undercover operation gave deputies the chance to buy Fentanyl that was being sold as heroin and cocaine from Josh Dyson.
Dockery was proved to be Dyson's supplier. He was found with 170 baggies of Fentanyl and six bags of cocaine.
Both charged with criminal possession of a controlled substance.
Dyson is also charged with criminal sale of a controlled substance.