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Show fei^ teiS : •"/"*" w * THE AQUEDUCT T UNNELS / i9. ( Upper left.) The Olmsted tunnel as it appeared during construction, and ( 120, upper right), after completion. The later photograph shows a vent structure, only portion of either tunnel or aqueduct now visible, being examined by Deputy County Attorney Walter M. Critchlow. 121. ( Center.) Interior of the Alpine- Draper tunnel during construction. 122. ( Lower right.) Draper portal of the Alpine- Draper tunnel as the final charge of concrete was placed. 123. ( Lower left.) The Alpine- Draper tunnel is inspected by approximately 50 officials representing project subscribers. The visitors rode on flat cars powered by an electric locomotive. 119, 121 Bureau of Reclamation 120, 122, 123 Hampton C. Godbe :, ""••• ±^ m - car / •- . tl |