A breakdown occurs at a depth of 12262m at the third hole (jun 1, 1990 – jun 30, 1990)
Description:
Creature is seen 'punching' upward through the third borehole, causing irreperable damage to the drill bit and shaft. Opening is covered with a 'cap'.Added to timeline:
Date:
jun 1, 1990
jun 30, 1990
~ 29 days