I-70 Resurfacing from Chief Hosa to Colfax Closeup drone view of boring conduit Mile Point 259.jpg
https://www.codot.gov/projects/i70chiefhosacolfax/photo-gallery/closeup_drone_boringconduitmp259.jpg/view
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I-70 Resurfacing from Chief Hosa to Colfax Closeup drone view of boring conduit Mile Point 259.jpg