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: | 03 1932 |
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Description: | Men are standing on scaffolding built into the walls of a canyon during the construction of the Hoover Dam. An electric shovel is moving pieces of dynamite... |
Date: | 1931 |
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Description: | Men drive an International truck up a dirt road along the Colorado River during the construction of the Hoover Dam in Black Canyon. There is a steam, or po... |
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