Date: | 1918 |
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Description: | Army engineers at Camp Curtiss, demonstrating zincographic equipment. Zincography was a form of printing for large maps using zinc plates. |
Date: | 06 1918 |
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Description: | Gravel screening and separating plant of the 310th Engineers in operation on a road near Camp Custer. All of the soldiers at work on this road construction... |
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