| Book | Save | ||
| 1 | Title: | Water purification at Columbus | |
| Creator: | Hoover, Charles Potter, 1884-1950 | ||
| Publication: | F.J. Heer Prtg. Co, Columbus, O,1915. | ||
| Call #: | P 8850 | ||
| Extent: | 27 p. | ||
| Subjects: | Water-supply -- Ohio -- Columbus | Ohio imprints 1915 | ||
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