adding a cleanup (componentWillUnmount) log message.

Locations.js

  useEffect(() => {
    console.log(
      `Location:IN MOUNT:
       LocationID: ${locationID} + StoryID: ${storyID} + curLocation: ${curLocation}`,
    );
    return () => {
      console.log('Location: CleaningUP');
    };
  }, []);