when a fox goes to ground in a crag or quarry or under boulders on fells you just cant dig these places,so your dog needs to kill the fox and come out, i wouldentsay because it didnt stay it jacked, id say it done a good job.
Never presume the fox is dead untill you actually see it there infront of you. And a good working terrier is worth a hell of a lot more then a dead fox so i'd be carefull entering a dog in quarrys and levels. I work big rock piles and dont really like entering the dog in them but beggers cant be choosers.
well iagree with what your saying, but these crags rock