Tractor and combine harvest scene
Augut 4, 1940
Photograph of a self-propelled tractor with tracks pulling a combine to harvest wheat near Walla Walla, Washington, in August, 1940.
Combines (Agricultural machinery)
Walla Walla (Wash.)
Whitman College and Northwest Archives, Pacific Northwest Agricultural Photograph Collection, WCMss104, Box 3, Folder 31
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