The town is “Fort Mitchell” - with two letter L's.
The Fort, and the Fort's namesake, have one L
“The Stringtown Pike: Fort Mitchel Crumbles on the Heights”
That's the caption on the back of this image, provided thru the courtesy of the Lloyd Library in Cincinnati.
The Defences [sic] of Kentucky Fort Mitchel, on the Lexington Turnpike,
Covington, Ky, opposite Cincinnati The 100th Regiment Ohio Volunteers, Col. Vroom,
occupying the rifle-pits, and awaiting an attack from the rebels, September 11. 1862
Harper's ran a description of the above scene, here
Fort Mitchel, at Fort Mitchell. These old line drawings tend to be reasonably accurate.
General Ormsby MacKnight Mitchel.
Biographical info on the General is here.
His claim to fame was not as a general, but an astronomer, and public speaker.