Soils of the eastern United States and their use-- XXII. The Norfolk sandy loam Bonsteel, Jay A. (Jay Allan), 1873- creator text book Washington Govt. print. off 1911 1911
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ENG Soils United States United States. Dept. of Agriculture. Bureau of Soils. Circular, no. 45 https://www.biodiversitylibrary.org/bibliography/18724 29759370 10.5962/bhl.title.18724 Library, U.S. Dept. of Agriculture