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.
903 Contributions.   There have been no presidents convicted in impeachment proceedings.   Two presidents have been impeached by the House of Representatives: Andrew Johnson in 1868 and Bâ¦ill Clinton in 1999. Both presidents were acquitted by the U.S. Senate of the charges for which they were impeached.