Drilling proceeded relatively smoothly until the late evening when progress slowed as, problems were encountered with the mud system. As with the observation wells this illustrates the difficulty in drilling warm permafrost. In the morning the hole had reached 572m., Scott Dallimore moved to the drill site and met with science team and operations staff and was debriefed by Tim Collett on his extensive field filing system., In Inuvik, progress continued on all fronts without any plumbing problems.