CHARLESTON, W.Va. -- Police seized more than 1,700 marijuana plants Friday in the northern part of Kanawha County, State Police Sgt. Mike Smith said. Police found the marijuana during a helicopter search.The plants were grown domestically and found in a remote area, but there are several homes within a quarter of a mile of the site. There is no suspect at this time, Smith said. If the plants had reached maturity, each could have sold for about $2,500, bringing the total value of Friday's find to about $4.5 million, Smith said.Police are trying to complete aerial searches for marijuana in all 55 counties. People with knowledge of marijuana plots should call their local State Police detachment.