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<br />02149 <br /> <br />WEST PORTAL ROBERTS TUNNEL (Altitude 8,850 feet) <br /> <br />Location: - At Dillon, Colorado, just below confluence of Ten Mile Creek and <br /> <br />Snake River with the Blue River on U.S.Highway 6, 78 miles west <br /> <br />of Denver. <br /> <br />Built: <br /> <br />Tunnel now under construction. <br /> <br />June /, 1957 <br />r _boO. tt8.1] IS, 1937. <br /> <br />.2f'/9 . <br />Heading..:rt.;! feet underground on <br /> <br />Work of present contractors started in November, 1956. <br /> <br />Cost: <br /> <br />See Roberts Tunnel. <br />