Our country and its resources; . Photo Underwood & Underwood BLOWING UP A DIKE ON THE PANAMACANAL ping by cogs in a rack. They areequipped with a towing windlass,which allows the prompt paying outand taking in of hawser. The water within the lock cham-ber proper, beyond the entrancechamber, is brought to the level ofthat in the approach, the gales to-ward the vessel are opened, a tenderchain is lowered, and the locomo-tives maneuver the vessel into thechamber. The gates are closed, thewater raised or lowered to the levelof the next chamber, the gates at theother end are opened, and the ves-sel


Our country and its resources; . Photo Underwood & Underwood BLOWING UP A DIKE ON THE PANAMACANAL ping by cogs in a rack. They areequipped with a towing windlass,which allows the prompt paying outand taking in of hawser. The water within the lock cham-ber proper, beyond the entrancechamber, is brought to the level ofthat in the approach, the gales to-ward the vessel are opened, a tenderchain is lowered, and the locomo-tives maneuver the vessel into thechamber. The gates are closed, thewater raised or lowered to the levelof the next chamber, the gates at theother end are opened, and the ves-sel moved forward. Three suchstops are made at (iatun. two atMiraflores, and one at Pedro STEAM SHOVELS AT WORK ON THE PANAMA CANAL CULEBRA CUT MAY 20, 1913 Ocean-going vessels to the number of 7^7 passed through the canal fromJuly 1. 1915, to June .i. 1916. Theiraggregate net tonnage was 2,479,761. Cargo carried through the canal onthese ships amounted to 3,140,046 tons, and the ships paid in tolls$2,399, The canal was closed in Septem-ber, 1915, and remained closed, ex-cept for the transit of small ves-sels which had wailed at the en-trances for passage, until the mid- vir


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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1917