As we’ve previously written, of the more than 200 waterways that Line 3 will have to cross through northern Minnesota, Enbridge will be tunneling underneath 21 of them using a process called Horizontal Directional Drilling (HDD).
As there has already been one documented frac-out at the Willow River HDD crossing (July 6), it is critical that we keep our eyes on these locations. Below, we have compiled some resources–including a new training video–to prepare volunteers for monitoring HDD locations.
Continue reading “Focusing on Horizontal Directional Drilling”
Watch the Line MN 