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Mechanical Analysis and Water Content of Wyoming Soils

Aven NelsonBurt C. BuffumC. B. RidgawayEdwin Emery SlossonWilliam Harmon Fairfield

出版	University of Wyoming, Agricultural College Department, Wyoming Experiment Station, 1902
URL	http://books.google.com.hk/books?id=cKVRAQAAMAAJ&hl=&source=gbs_api