extreme boundary

See: limit
Mentioned in ?
References in classic literature ?
He had relinquished his digging and, after a long, stealthy glance towards the house, had advanced to the extreme boundary of the potato patch.
There appears to be extreme boundary issues for people who compulsively steal, spend or hoard.
Our very first two-way subscriber is at the extreme boundary of the service area and is receiving and transmitting high-speed data from his office without any problems whatsoever.