Exterminate the Mirelurks 0/3 is a quest objective in the mission The Big Dig in Fallout 4.
Quest
Location
Goodneighbor |
Walkthrough
From the bottom of the dig site you will see 3 Mirelurks emerge and attack the diggers. At least one or two will come up the stairs at you. The third tends to lag some behind in the tunnels and behind the pipes. Expect a Mirelurk Razorclaw.