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Roy W. Simonson

5 books

Books by Roy W. Simonson

Letters, Letter Segments, and Memoirs from a Farm
Letters, Letter Segments, and Memoirs from a Farm
2005
Six Months Along the Missouri
Six Months Along the Missouri
2004
Historical highlights of soil
Historical highlights of soil survey and soil classification with emphasis on the United States, 1899-1970
1989
Non-agricultural applications of soil surveys
Non-agricultural applications of soil surveys
1974
Understanding Iowa soils
Understanding Iowa soils
1952