| | Book | Save | | 1 | Title: | Let's practice soil conservation for a permanent agriculture
| | | | Creator: | International Harvester Company | | | | Publication: | s.n, Chicago,19--] | | | | Notes: | Cover title. | | | | Call #: | Pam. I128 | | | | Extent: | 22 p. : ill. ; 27 cm. | | | | Subjects: | Soil conservation
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| Book | Save | | 2 | Title: | Man and the soil: a brief introduction to the study of soil conservation
| | | | Creator: | Mickey, Karl B. | | | | | International Harvester Company | | | | Publication: | International Harvester Company, Chicago,1945. | | | | Notes: | Sequel: Health from the ground up. ''Literature cited'': p. [109]-110. | | | | Call #: | Pam. M306 | | | | Extent: | 110 p., 1 l. plates. 26 cm. | | | | Subjects: | Soil conservation | Soil erosion
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