| 31. | In the future, this would be achieved by employing caisson foundations.
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| 32. | This was initially done by the use of Caisson locks.
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| 33. | The piers were later taken down to the bedrock using pneumatic caissons.
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| 34. | The caisson plan, however, was nevertheless considered risky.
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| 35. | By June 15, the water level in the caisson was down.
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| 36. | French casualties were 80 but they recaptured the lost caissons.
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| 37. | Inside the caisson are ballast spaces, filled with water for stability.
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| 38. | After all the caissons were lowered, all the gaps were plugged.
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| 39. | The caisson, the honor guard and the bugler.
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| 40. | They pulled, pushed, leaned on the caisson _ whatever way works.
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