Credit: From Pennsylvania and Its Manifold Activities, 1912.
Lehigh Valley cement played a key role in the construction of the Panama Canal. It was also used by engineer James B. Eads to build the jetty works in New Orleans.
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The Panama Canal's Gatun Upper Lock, circa 1912.
Credit: From Pennsylvania and Its Manifold Activities, 1912.
Lehigh Valley cement played a key role in the construction of the Panama Canal. It was also used by engineer James B. Eads to build the jetty works in New Orleans.
