i would expect any terrier on my yard to stay to ground and work all the game in the earth .... i wouldnt expect to dig to the dog and him come away knowing there is something else at home .... now whether i would re enter the dog depends on the time of the first dig and the punishment the dog has taken .... if the dog had been to ground for 2 hours + and had taken some stick then after the first dig he would be lifted and a fresh experienced dog would be entered ... if the dig was a quick half hour then he would be allowed to work on ..........