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Soil Erosion Processes, Prediction, ...
by Toy, Terrence J.; Foster, George R.; Renard, Kenneth G.
ISBN: 9780471383697
Copyright:
Hardcover
Chronicling Cultures Long-Term Field ...
by Kemper, Robert V.; Royce, Anya Peterson; Kemper, Robert V.; et al.
ISBN: 9780759101944
Paperback