Books by Carbondale) Black Walnut Symposium (1973 : Southern Illinois University:
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Black Walnut Symposium (1973 : Southern Illinois University, Carbondale): Black walnut as a crop : Black Walnut Symposium, Carbondale, Illinois, August 14-15, 1972. (North Central Forest Experiment Station, 1973), also by Southern Illinois University at Carbondale and Walnut Council (page images at HathiTrust)
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