1 - 25 of 5
| Title | Date | Type | ||
|---|---|---|---|---|
| 1 |
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A process for the treatment of oxidized zinc ores | 1917 | Text |
| 2 |
 |
Igneous concentration of oxidized ores of zinc | 1916-05 | Text |
| 3 |
 |
The manufacture of zinc oxide directly from oxidized ores | 1920 | Text |
| 4 |
 |
Mining and milling of complex lead and zinc ores in the Park City district, Utah | 1916 | Text |
| 5 |
 |
Proposed innovations in the metallurgy of zinc | 1914-08 | Text |
1 - 25 of 5