1. Century Geophysical Corp 3530 Bird Dr, Gillette, WY 82718 Coordinate: 44.26343,-105.49622 Phone: (307) 686-8045
2. Century Geophysical Corp 5361 Swanson Ct Unit 4, Gillette, WY 82718 Coordinate: 44.245,-105.4789 Phone: (307) 686-8045