A Green District couple are among the six people arrested in an investigation in which authorities seized 52 pounds of methamphetamine worth an estimated $1 million, making it one of the larger meth busts ever in Oregon. Robert Albert Jones, 46, and his wife, Amy Suzanne Jones, 45, were cited on drug charges following a search at their home Sunday in the 2100 block of Jackie Avenue. Police found a quarter-ounce of methamphetamine at the residence on the west side of Highway 99. In addition, officers confiscated a .22-caliber pistol and several items reported stolen in burglaries, said Sgt. Rick …