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Rural Changes in Western North Dakota

Edwin Ambrose WillsonAlva Hartley BentonHarold Charles HoffsommerNorth Dakota Agricultural Experiment Station (Fargo)

其他書名	Social and Economic Factors Involved in the Changes in Number of Farms and Movement of Settlers from Farms
出版	Agricultural Experiment Station, North Dakota Agricultural College, 1928
URL	http://books.google.com.hk/books?id=oXkSAQAAIAAJ&hl=&source=gbs_api