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A Century of Mining and Metallurgy in the United States: Centennial Address of Abram S. Hewitt, President Elect of the American Institute of Mining Engineers. Philadelphia, June 20, 1876
Abram Stevens Hewitt
Воспроизведено в оригинальной авторской орфографии.
On the Statistics and Geography of the Production of Iron: A Paper Read Before the American Geographical and Statistical Society, On the 21St February, A.D., 1856
