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A Preliminary Report of Data Secured in 1926 on the Farm Accounting Route at Crookston - Polk County - Minnesota
Mumford, D. Curtis, (1927)
A Preliminary Report of Livestock Costs and Returns from Data Secured in 1927 on the Farm Accounting Route at Askov - Pine County - Minnesota
Hoverstad, Andrew T., (1928)
A Preliminary Report of Livestock Costs and Returns from Data Secured in 1926 on the Farm Accounting Route at Crookston - Polk County - Minnesota