miners and their families. you know, we've done our part. we came to give them an avenue to get out. that job is done. we've done everything the government has asked us to do and we're going to kind of watch from a distance. we'll head to santiago and spend a little time and hopefully by the time we're out of here, they've got them out and we can do a little celebrating in chile. >> you don't normally drill a hole that big around, obviously and along the way, you broke some bits. tell us what you hit. >> well, you know, to start, we hit a roof bolt obstruction. the passageway of this hole actually passes the tunnel, the entry tunnel three to four times rather close and so obviously, as they built these tunnels the roof bolts and everything that stick out but the main portion of the bit problem has been the rock. the rock here is extremely,