Topographic view of Isthmus Slough Bridge, view looking northwest. - Isthmus Slough Bridge, Spanning Isthmus Slough at Milepoint 0.2, Coos City to Sumner Road, Coos Bay, Coos County, OR

General perspective view of Isthmus Slough Bridge, view looking west. - Isthmus Slough Bridge, Spanning Isthmus Slough at Milepoint 0.2, Coos City to Sumner Road, Coos Bay, Coos County, OR

General perspective view of Isthmus Slough Bridge, view looking west, south side of structure. - Isthmus Slough Bridge, Spanning Isthmus Slough at Milepoint 0.2, Coos City to Sumner Road, Coos Bay, Coos ...

General perspective view of Isthmus Slough Bridge, view looking east. - Isthmus Slough Bridge, Spanning Isthmus Slough at Milepoint 0.2, Coos City to Sumner Road, Coos Bay, Coos County, OR

General perspective view of Isthmus Slough Bridge lift tower, view looking west. - Isthmus Slough Bridge, Spanning Isthmus Slough at Milepoint 0.2, Coos City to Sumner Road, Coos Bay, Coos County, OR

Detail view of Isthmus Slough Bridge lift tower, view looking west. - Isthmus Slough Bridge, Spanning Isthmus Slough at Milepoint 0.2, Coos City to Sumner Road, Coos Bay, Coos County, OR

Detail view of Isthmus Slough Bridge traffic gate and Warren truss. - Isthmus Slough Bridge, Spanning Isthmus Slough at Milepoint 0.2, Coos City to Sumner Road, Coos Bay, Coos County, OR

Colonial Parkway, Isthmus Bridge, Spanning Back River Isthmus, Yorktown, York County, VA

Isthmus Slough Bridge, Spanning Isthmus Slough at Milepoint 0.2, Coos City to Sumner Road, Coos Bay, Coos County, OR

[Photographs from the survey expedition to the Isthmus of Darien]

The Isthmus of Tehuantepec: being the results of a survey for a railroad to connect the Atlantic and Pacific oceans, made by the scientific commission under the direction of Major J.G. Barnard, ...

Native girls of Tehuantepec Isthmus--a pretty nook in the tropical forest, Mexico

The way they cross "the isthmus"

Isthmus of Suez

Tsur ancient Tyre from the Isthmus April 27th 1839

Christmas on the Isthmus

General view of the isthmus of Suez from the road Tead

Traveling in native ox-carts, Isthmus of Panama

Colon, eastern terminal of the Panama Canal, Isthmus of Panama

Joseph Pennell's pictures of the Panama Canal : reproductions of a series of lithographs made by him on the Isthmus of Panama, January--March 1912, together with impressions and notes by the artist.

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