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Caption

Preparing for a Blast. Drilling solid rock with heavy drills run by compressed air, which is brought through large pipes from the largest air-compressing system in the world, made up of three stations at Las Cascadas, Empire, and Rio Grande.

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P:\SDCW Postcard Collection\Central America\Panama-29B

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126 KB

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Keywords

Ancon (Ancon, Panama), Panama Canal (Panama), Panama Canal (Panama), Canals

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