Date: | 1932 |
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Description: | Front view of a three-deck drilling platform mounted on an International truck. The device was used in the interior of the tunnels during construction of t... |
Date: | 1950 |
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Description: | Elevated view of tamping rolls to put hard core in earth dam. Subject: "TD-24 — Dams & Levees." Information with photograph reads: "Owned by Harlan County ... |
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