"OH LOOK! WHAT A COOL FARM!" but, "where's Art?" "Oh, over by the Farm"
While your traveling on 21 rd near Marquette, you can stop and find this cache, while you are at it, you can look for Art, all you have to do is look for the farm, and Art will be by it. This cache is located near an interesting place, If your really curious, go up and ask if you can look around, there is much to be "learned" here, but, the cache, it's back there by the road.