Phosphate rock and methods proposed for its utilization as a fertilizer /
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| Author / Creator: | Waggaman, William Henry. |
|---|---|
| Imprint: | Washington, D.C. : U.S. Dept. of Agriculture, 1915. |
| Description: | 37 p. ; 24 cm. |
| Language: | English |
| Series: | Bulletin of the U.S. Department of Agriculture ; no. 312 Bulletin of the U.S. Department of Agriculture ; no. 312. |
| Subject: | |
| Format: | U.S. Federal Government Document Print Book |
| URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/4097791 |
