Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 444
EL SCOOPING UP ORE. … FIG. 4. STEAM-SHOVEL MINING AND LOADING CARS AT ONE OPERATION. this is not mining; it is simply shipping. True, in the Vermillion range,where the ores are a little harder,some of the more usual methodsof mining are employed; yet eventhere the deposits are very large,and the work is done with…
Children's literature
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