Holocene just added a second Diedrich D-70 track rig to our fleet. We continue to provide a wide range of drilling services to Geotechnical, Environmental and Dewatering Professionals in the Pacific Northwest. Holocene sets the standard for safe, efficient and cost-effective drilling. We operate truck and track mounted auger rigs, mud rotary, rock coring, sonic, direct push probe and specialty drill rigs for both urban and remote locations. Read more about the most modern track rigs in the Pacific Northwest in our Equipment section.