How long is the river that Fort Cass was located on?
Fort Cass:  Located on the Hiwassee River in present-day Charleston, Tennessee, it housed a garrison of United States troops and watched over the largest concentration of internment camps where Cherokee were kept during the summer of 1838 before starting the main trek west to Indian Territory. Hiwassee River:  The river is 147 mi long.
147 mi