[sammyg2]

If you ever want to see what's under your property you can call USA, underground service alert and notify them of an intent to dig and an address. It's often called a digalert. You mark where you want to dig with chalk or paint or whatever, then you call the toll Free telephone# 1-800-227-2600. Call in at least two working days before you dig.

They in turn notify all utilities and companies that may have something in the ground. utilities show up and mark all their stuff.
If they mark it and you dig into it, it's your fault. if they don't mark it and you dig into it, you have zero liability.
Obviously that doesn't mean much if you get all blowed up but under most circumstances it's a really, really good idea. Oh, and it's free.

A couple years ago I was having a pool put in. I told the pool contractor that the back 12 feet of my property has a telephone company easement on it.
He said no worries, digalert.
He called in the digalert 72 hours prior to digging. Everyone showed up and marked their services, EXCEPT the telephone company. You can see where this is headed.

An hour into the dig, telephone company trucks were all over the neighborhood. A whole bunch of people were all of the sudden without phone service.
Two guys from AT&T eventually knocked on my door and one guy acted all pissed and tough. I said, "show me where you marked your service" and gave the guy with the white dress shirt and badge back some of his tough guy attitude. (LOL, AT&T badge. Prolly bought it at the swap meet to scare customers. )

He said, oh, you called in a digalert? I told him "Yep, and you guys apparently blew it off."

He said, "oh, sorry. Can we please have permission to go into your back yard to repair our phone lines?"
They worked on it all day and all night. Then they marked their service and the pool guy dug from a different location.
Never heard another word about it.