Sam Chute sits on the wooden door of the Songo Lock in Naples. Chute is an assistant park ranger in his 20th summer working the Songo Lock. The lock machinery, from 1911, is the last surviving lock on the Cumberland and Oxford Canal.

Allison Weatherby, 11, and her father, Alton Weatherby, wait to go through the lock during a boat ride on Aug. 18.

Hailee North of Big Prairie, Ohio, helps Assistant Ranger Sam Chute push the door shut on the Songo Lock in Naples, the last remaining lock of the Cumberland and Oxford Canal.

Helping hands: Hailee North of Big Prairie, Ohio, helps Assistant Ranger Sam Chute close the door on the Songo Lock, machinery that's from 1911.

Assistant Ranger Sam Chute is finishing his 20th summer working the Songo Lock in Naples.

Sam Chute, assistant park ranger at the Songo Lock in Naples, says the best part of his job is meeting people from all over the country.