what you on about mate, proper rock piles, and little gay ones, even proper rock piles as you say sometimes can be dug, depends on were your dog is in the pile, just because they look undigable doesent always mean they are, you can slit the big rocks with sledge hammer and a bar, lift rocks and move them with jacks mate,an sometimes get machines in to help
each to there own with meanings of words, but using sledge hammers, jacks, and machines dont come under the word digging in my book... foxs in places like that are killed or bolted the vast majority of the time, very rarely will man g