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Filter: Subject of steam shovels
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| Date: | 03 01 1919 |
|---|---|
| Description: | Workers digging a "borrow pit" for no. 2 mine with a steam shovel. The men are standing along a set of narrow gauge railroad tracks. Benham was a "company ... |
| 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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