| Book | Requires cookie* | ||
| 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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