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Scientific American, Vol. 101, No. 24 (December 1909) (1909)

leaf 24

An illustration from Scientific American, Vol. 101, No. 24 (December 1909), 1909, leaf 24
t subway and this disposal sta- tons, or over 33 per cent of the total amount of bitu- Thro, urban. tion saves hauling through the streets of Chicago thou- minous coal mined in the United States. That Chicago 19 Atchison, Topeka & Santa Fe 9,976 sands of tons of waste material. The tonnage of is… … This line, the latest to be constructed to the coast, is 2,175 miles in length, was built within the brief space of 36 months. Bridge across the Missouri River at Lombard, Montana. THE EXTENSION OF THE C, M. & ST. P. RAILROAD TO THE PACIFIC COAST. tunnel has shown a steady increase during the last…

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