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