Sentence Examples


  • The copper output was of slight importance until 1889 - $ 1, 457,749 in 1905, and $1,544,918 in 1907; and that of zinc was nil until 1902, when discoveries made it possible to rework for this metal enormous dumps of waste material about the mines, and in 1906 the zinc output was valued at $5,304,884.
 
 

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