Bookmarks

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  Old Series Trademark No. 0205

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  B. H. Lyon's Compound

  Date: 1871

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  Potrero de San Luis Obispo Rancho

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  Hand-drawn sketch map of Potrero de San Luis Obispo boundaries. Volume 2, page 4.

  Date: 1840

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  Old Series Trademark No. 1862a

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  American River Orchard

  Date: 1890

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  McCarthy Album 11, Photograph 316

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  Caption: "San Francisco, Oakland Bay Bridge. Opening Day, Nov. 12, 1936." View of a portion of the ceremonies officially opening the San Francisco-Oakland Bay Bridge to traffic upon its completion in November 1936. The Bay Bridge's design combined three different types of bridge-building technology over the five miles it covers between San Francisco and Oakland: a suspension span, a cantilevered span, and a tunnel. At the time of its completion the bridge was the longest steel structure on the globe. It also featured the deepest bridge pier ever built, and the world's largest bore tunnel.

  Date: 11/12/1936

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  eichler_f3274_013

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  Caption: "Front and Side Elevations." Design and drawing of Hornbrook border inspection station by Alfred Eichler, c. 1931. Project for Department of Agriculture.

  Date: 1931