A CALIFORNIA MOUNTAIN RAILROAD. 1-53 … A TRESTLE ALONG THE LINE ON A 65 PER CENT. GRADE. have to be laid down on a double track suburban town ot Altadena to a mountain canon three miles distant. road, thus realizing a gain in the cost This electric road skirts the foot-hills of construction. By the use of the and rises by a small grade,…
Engineering
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