BillingsGeolocation: 45.7505, -108.5687

Terracon's Billings office was opened in 1994 and has grown to include a full-time staff of 18 professionals and technicians with a seasonal staff of 2-5 additional technicians. Our staff includes registered professional engineers, a licensed engineering geologist, and environmental scientists, all of whom have a long history of local experience. Additionally, we are supported by more than 100 additional geotechnical and environmental professionals in our Rocky Mountain Division which includes offices in Great Falls, Kalispell, and Bozeman, Montana; Casper, Cheyenne and Rock Springs, Wyoming; and Fort Collins and Greeley, Colorado. The Billings office also includes a high torque CME-55 drill rig that allows us to perform all geotechnical and environmental drilling in-house.

2110 Overland Ave., Suite 124
Billings, MT 59102

Phone: (406) 656 3072
Fax: (406) 656 3578




Robyn Sargent, Office Manager

Key Projects

Carmelite MonasteryGeolocation: 44.1572, -108.8715
The New Mount Carmel Foundation, Inc. proposes to construct a monastery with a large gothic chapel and courtyards accompanied by single-resident hermitages and private gardens. Terracon has provided a variety of services, including evaluation of potential geologic hazards, Phase I Environmental Site Assessment, geotechnical investigations, preliminary groundwater availability review, and a pavement evaluation of Meeteetse Creek Road to determine its adequacy for supporting heavily loaded construction traffic associated with construction of the Monastery.

Crosby 25-3 Natural Gas Well ReleaseGeolocation: 44.6782, -109.458
Terracon has been providing site characterization, public communications, remedial design and implementation, and regulatory negotiations associated with a natural gas exploration well located in northwest Park County, Wyo. In August 2006, during the drilling of the natural gas well, natural gas, petroleum condensate, and drilling fluids began to emanate from the subsurface along a series of cracks in the ground west and north of the well head. The ground cracking was concentrated in two areas about 500 feet apart. An initial evacuation of the residences in the area was ordered in response…

Express PipelineGeolocation: 27.5487, -99.4853

Terracon served as the geotechnical consultant for the U.S. portion of the Express Pipeline project, a $380 million, 512-mile long, 24-inch pipeline and associated pumping stations originating in Alberta, Canada, and traversing Montana and Wyoming. Terracon's services included geologic and hydrogeologic studies, routing assistance, environmental permitting and negotiations, geotechnical field investigations and evaluations for horizontal directional drilling of major river crossing, lateral and bed scour analyses, rock excavation evaluations and review of blasting plans, and construction…