My recollection is that this "tradition" of avoiding the lower third of Millbrook had nothing to do with land ownership and everything to do with what Art Gran wrote in his original 1964 guidebook. Basically he stated (in the guidebook) and in person, that the lower third was dirty, rotten and should be avoided--compared to the clean climbing above. It's my belief that this "hearsay" stuck, and a tradition of avoiding the lower third began.

Probably Jim McCarthy would know the answer to this.