Date: | 08 28 1929 |
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Description: | Five men are working on the heat tunnel construction for the Lake View TB sanatorium. 1202 Northport Drive. |
Date: | 1935 |
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Description: | Men using a McCormick-Deering TracTractor (crawler tractor) on a construction project, possibly a tunnel. |
Date: | 1900 |
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Description: | An original colored lithograph advertising the Pacific Railway's route from New York to California, encouraging people to "Go and See the Great American Pa... |
Date: | 03 1932 |
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Description: | Two International trucks exit a tunnel on a dirt road leading through a canyon during the construction of the Hoover Dam. Two men stand on the top of a squ... |
Date: | 1941 |
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Description: | Drawing of a railroad employee standing on a handcar on the tracks painting the surface of a "tunnel" with a brush. Another man is looking at him with a ha... |
Date: | 04 25 1979 |
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Description: | A truck is moving along a tunnel, with a rotating scrub brush attached to its rear scrubbing the ceiling of the tunnel. A man is walking on the opposite si... |
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