This is limited by technology. Currently the deepest mines are about 4 km deep while the deepest bore holes are just over 12 km deep.Mining and Engineering companies are continually upgrading technology and capabilities to dig/drill deeper.
I did some research and found out that they can dig upto 12 inches deep not sure if they can dig deeper
You have to dig 508,775,742 feet deep to find gold
Dig Yourself Deep was created on 2007-10-15.
Because they needed something other than hands, to drill rock and dig coal.
An auger is a drilling device, or a drill bit. An auger is used by constructors for special drilling rigs, to dig holes for deep foundation piles. They are used for constructions too.
· deep sockets · drill · drill bits
Because they needed something other than hands, to drill rock and dig coal.
They dig up to 4-16 inches deep, it depends really.
150
1,000,00 feet deep
They wont dig very deep, but they can burrow underneath and escape if the fence isn't deep enough into the ground.