Date: | 08 15 1938 |
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Description: | International PA-50 power unit owned by T.E. Luman, which is housed inside a wooden building. The unit was used to generate power to run a coal cutter, lig... |
Date: | 1950 |
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Description: | View of Coal Mine. Subject: "UD-16 — Generators." Where Taken: "MidW." Information with photograph reads: "Used by the Big 4 Coal Co., Ottumwa, Iowa, to dr... |
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