Date: | 1939 |
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Description: | A man operates an International TD-18 TracTracTor (crawler tractor) to deepen a creek channel. Original caption reads: "TD-18 TracTracTor and Emseo(?) Bull... |
Date: | 1897 |
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Description: | Topographical map of Stanley McCormick's Riven Rock estate in El Montecito, Santa Barbara County, California. The map is identified as a map of a survey co... |
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