| Call Number (LC) | Title | Results |
|---|---|---|
| I 28.23:2204 |
Talc industry in 1920 Talc industry in 1920. |
2 |
| I28.23-2204 | Talc industry in 1920. | 1 |
| I 28.23:2205 |
Cyanide treatment of amalgamation tailing Cyanide treatment of amalgamation tailing. |
2 |
| I28.23-2205 | Cyanide treatment of amalgamation tailing. | 1 |
| I 28.23:2206 |
Investigation of low-grade and complex ores in Colorado Investigation of low-grade and complex ores in Colorado. |
2 |
| I28.23-2206 | Investigation of low-grade and complex ores in Colorado. | 1 |
| I 28.23:2207 |
Tests of carbon monoxide detector in mines Tests of carbon monoxide detector in mines. |
2 |
| I28.23-2207 | Tests of carbon monoxide detector in mines. | 1 |
| I 28.23:2208 |
Sand filling in stopes Sand filling in stopes. |
2 |
| I28.23-2208 | Sand filling in stopes. | 1 |
| I 28.23:2209 |
Value of oxygen breathing apparatus in mine rescue operations Value of oxygen breathing apparatus in mine rescue operations. |
2 |
| I28.23-2209 | Value of oxygen breathing apparatus in mine rescue operations. | 1 |
| I 28.23:2210 |
Recent articles on petroleum and allied substances Recent articles on petroleum and allied substances. |
2 |
| I28.23-2210 | Recent articles on petroleum and allied substances. | 1 |
| I 28.23:2211 |
Permissible schedules issued by Bureau of Mines Permissible schedules issued by Bureau of Mines. |
2 |
| I28.23-2211 | Permissible schedules issued by Bureau of Mines. | 1 |
| I 28.23:2212 |
Work of ceramic station of Bureau of Mines at Columbus, Ohio, in behalf of ceramic industry Work of ceramic station of Bureau of Mines at Columbus, Ohio, in behalf of ceramic industry. |
2 |
| I28.23-2212 | Work of ceramic station of Bureau of Mines at Columbus, Ohio, in behalf of ceramic industry. | 1 |
| I 28.23:2213 |
Investigation of dust in air of granite-working plants Investigation of dust in air of granite-working plants. |
2 |
| I28.23-2213 | Investigation of dust in air of granite-working plants. | 1 |
