The U.S. Attorney's office says 55 year old Wheatland resident Alfonso Hernandez Chavira  was sentenced by U.S. District Court Chief Judge Nancy Freudenthal to 7 years in prison on one count of conspiracy to possess with intent to distribute, and to distribute methampheatime, cocaine and marijuana, one count of possession intent to distribute methamphetamine and one count possession with intent to distribute cocaine. He was arrested in cheyenne and approximately 55 grams of meth, 31 grams of cocaine and 450 grams of marijuana were seized. the case was investigated by the Wheatland Police Department, Platte County Sheriff's Office, the Wyoming Division of Criminal Investigation and the Drug Enforcement Administration.