Answer: fthenry

AnswerCrossword Clue
FTHENRYGarrison on the Tenn. River
FTHENRYConfed. stronghold captured in 1862
FTHENRY1862 Tenn. battle site
FTHENRYTennessee post captured by US Grant
FTHENRYOne-time CSA stronghold
FTHENRYTenn. stronghold of Civil War