go to fallabor town and go to the fossil maniac's house and talk to his brother
dig dig dig
yes in Pokemon sapphire you can catch a Pokemon that knows dig mainly trapinch and sandshrew
TM 28 is dig
one that has dig in the other games.... stupid
stark mountain
Yes you could.
No, you can only find them. You can dig for them in Diamond and Pearl however.
its in the national park in the very southwest corner of it behind the fence.
trade it of a friend
It can not learn dig through training. You have to teach it TM 28
Dig is a TM obtained from a kid in the fossil maniacs house which is west from fallarbor town.
In Pokemon ruby, sapphire, and emerald, Zigzagoon cannot learn the move dig.