I noticed those when we were there...I wondered if they had a map, in which case I could entertain myself by putting together a course.
I am not sure. If any they would use their trailmap. Ask Sue Wemyss (email, phone available if you google GGT) next time you go up. I can email you a so-so Ski-o map I made (does not have trail names on it) a few years ago for a Ski-O.