by Connie Oswald Stofko Before you dig up an area for a new garden or plant a tree or dig holes for a fence, you should call 811 or use the online Single Address Ticket. When you make your request, your local utilities come out– for free– and flag where their lines are so you don’t accidentally hit them with your shovel or rototiller. You’d be pretty embarrassed if the whole neighborhood lost its cable because you cut the line. And if…