New mine development and expansion represent some of the most controversial and complex projects today.

OtterTail has supported the mining industry for over twelve years, providing biological permitting, monitoring and restoration services that stand up to rigorous agency review and public scrutiny. OtterTails’s mining experience spans the U.S. – from gold mining in Alaska to uranium and hard rock in the lower forty-eight. OtterTail’s industry knowledge and expertise help advance development and maintain compliance throughout a project’s life.