MTNF is divided into six distinct ranger districts : Ava-Cassville-Willow Springs , Eleven Point , Houston-Rolla-Cedar Creek , Poplar Bluff , Potosi-Fredericktown , and the Salem .
MTNF is divided into six distinct ranger districts : `` Ava-Cassville-Willow Springs '' , `` Eleven Point '' , `` Houston-Rolla-Cedar Creek '' , `` Poplar Bluff '' , `` Potosi-Fredericktown '' , and the `` Salem .