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5by Weidman, Samuel, 1870-, Weidman, Samuel, 1870-, Weidman, Samuel, 1870-, Weidman, Samuel, 1870-1945“...Soil series (Madison, Wis.) ;...”
Published 1911
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17by Whitson, A. R (Andrew Robeson), 1870-1945“...Soil series (Madison, Wis.) ;...”
Published 1914
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20by Whitson, A. R (Andrew Robeson), 1870-1945“...Soil series (Madison, Wis.) ;...”
Published 1916
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