An engineer looks through a theodolite in the interior of a tunnel as he works on the proposed Loveland Pass tunnel project in Summit or Clear Creek County, Colorado. The man wears a heavy plaid wool jacket, hat, and glasses. Pipes run along the wall in the distance.
An engineer looks through a theodolite in the interior of a tunnel as he works on the proposed Loveland Pass tunnel project in Summit or Clear Creek County, Colorado. The man wears a heavy plaid wool jacket, hat, and glasses. Pipes run along the wall in the distance.