Two years after a drill rig dug near the Small Boat Harbor entrance to test the stability of soil, another drill rig is coming to Haines to begin work on Tuesday.

The $185,000 drilling, part of the harbor expansion project, will last until late September, said harbormaster Phil Benner.

Haines Borough public facilities director Carlos Jimenez said the drilling will collect soil samples to determine if any of the areas planned for dredging have contaminated…