An economic study of the farm tractor in the corn belt /
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| Author / Creator: | Yerkes, Arnold P. (Arnold Phipps), 1885- |
|---|---|
| Imprint: | Washington, D.C. : U.S. Dept. of Agriculture, 1916. |
| Description: | 24 p. ; 23 cm. |
| Language: | English |
| Series: | Farmers' bulletin / United States Department of Agriculture ; no. 719 Farmers' bulletin (United States. Department of Agriculture) no. 719. |
| Subject: | |
| Format: | U.S. Federal Government Document Print Book |
| URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/4099434 |
