San Francisco : Architect and Engineer, Inc · leaf 309
n oneper cent to El Portal, where it connectswith the existing road from the Valley.The twelve miles of existing road fromEl Portal to Yosemite Village was con-structed prior to this time and in thisdistance it rises approximately 2,000 feetto the floor of the Valley, some 4,000 feetin elevation… … THREE 30.INCH CORRUGATED CULVERTSTht-^f culvfrta hnve been in»Ulk-d on the complet^l portion of the Yosemite Valley Roadbevelled ends to conform to headwull. the pipes being placed at an oblique angle. Note OCTOBER, 11)24 119
Architecture · Building
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