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Show v BUILDING THE AQUEDUCT 114. ( Upper right.) Special 22- wheel truck-' n- trailer hauls a pipe section to aqueduct line. 115. Center.) Aqueduct trench, 20 feet deep, above Pleasant Grove. 116. ( Lower right.) Newly joined pipe sections ready for backfilling. The sawdust- filled tubes or " sausages" in the foreground were placed around each joint to keep out dirt during the backfilling. It?. ( Upper left.) A ravine section showing track gantry by means of which pipe segments were lowered into place. 118. ( Lower left.) Another view of the ravine, showing pipe in place. 114, 115, 117, 118 Bureau of Reclamation 116 Hampton C. Godbe |
