Lincoln Memorial University operates the Powell River Aquatic Research Station, which is located where Tennessee State Route 63 crosses the river at the Brooks Bridge in Claiborne County, Tennessee. The center, which opened in April 2008, allows for on-site research of water quality, flora, fauna and related habitat.
The only two presidents to have been impeached were Andrew Johnson and William Clinton. Neither of them were found guilty of the charges, therefore neither of them were â¦removed from office. None. Presidents Andrew Johnson and Bill Clinton were both impeached by the House, but never found guilty by the Senate.
  -- President Bill Clinton was impeached in 1998 on  obstruction of justice charges.   Both men were acquitted by the Senate.   (Richard Nixon resigned in 1974 rather than face  impeachment charges which the House was preparing against him. )   2 presidents, Andrew Johnson and Bill Clinton.resident Bill Clinton, like Johnson, was impeached but the Senate lacked the voted needed to remove the President from the White House. none-only two presidents were ever impeached and neither was convicted and removed from office.