Over 36 Years of Experience!

Wolf Creek Pass

Highway 160

Wolf Creek Pass, CO

Colorado Department of Transportation: Upper Narrows Tunnel, later named for some of the most difficult highway construction in recent years in Colorado.

M. C. Donegan: Provided controlled drilling, blasting, high scaling and rock bolting installations from crane and basket operations 24 hours a day while maintaining traffic control.

M. C. Donegan: Drilling brow bolts (tunnel spillings) for tunnel excavation operations.

M.C. Donegan Information

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Contact Info

Contact Us
P.O. Box 160
Bluff Dale, TX 76433
P: (254) 728-3531
F: (254) 728-3532

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