3 ms·
Not even 18 inches in some places - more like 5 inches. You can get through it with heavy equipment - something like this: https://www.youtube.com/watch?v=772
by chiph 9y ago
Not even 18 inches in some places - more like 5 inches. You can get through it with heavy equipment - something like this:
https://www.youtube.com/watch?v=7720jUW_aIk https://www.youtube.com/watch?v=7720jUW_aIk
- mcguire 9y agoWouldn't really want to listen to that any more than the jackhammer.