| Call Number (LC) | Title | Results |
|---|---|---|
| I28.23..3469 | Progress reports - Metallurgical Division : 32, Ore-dressing studies, properties of suspension media for float-and-sink concentration. | 2 |
| I 28.23:3469-R | Properties of suspension mediums for float-and-sink concentration / | 1 |
| I 28.23:3470 |
Annual report of the Mining Division, fiscal year 1939 / Annual report of Mining Division, fiscal year 1939. |
2 |
| I28.23..3470 | Annual report of Mining Division, fiscal year 1939. | 1 |
| I 28.23:3471 | Active list of permissible explosives and blasting devices approved prior to June 30, 1939. | 3 |
| I28.23..3471 | Active list of permissible explosives and blasting devices approved prior to June 30, 1939. | 2 |
| I 28.23:3472 |
Reduction of fly-ash emission from chimneys / Reduction of fly--ash emission from chimneys. |
2 |
| I28.23..3472 | Reduction of fly--ash emission from chimneys. | 1 |
| I 28.23:3473 |
Annual report of the nonmetals division, fiscal year 1939 / Annual report of Nonmetals Division, fiscal year 1939. |
2 |
| I28.23..3473 | Annual report of Nonmetals Division, fiscal year 1939. | 1 |
| I 28.23:3474 |
Properties of petroleum-reservoir liquid and its residua with applications of data to production problems. Properties of a petroleum-reservoir liquid and its residua with applications of the data to production problems / |
3 |
| I28.23..3474 | Properties of petroleum-reservoir liquid and its residua with applications of data to production problems. | 2 |
| I 28.23:3475 |
Hazard of mercury vapor in analytical petroleum laboratories. Hazard of mercury vapor in analytical petroleum laboratories / |
2 |
| I28.23..3475 | Hazard of mercury vapor in analytical petroleum laboratories. | 1 |
| I 28.23:3475-3499 | Progress reports--metallurgical division. | 1 |
| I 28.23:3476 |
Properties of Louisiana crude oils. Properties of Louisiana crude oils : II. Additional analyses. |
2 |
| I28.23..3476 | Properties of Louisiana crude oils : II. Additional analyses. | 1 |
| I 28.23:3477 |
Progress reports, Metallurgical Division : 33. Manganese and its alloys. Progress reports--metallurgical division. |
2 |
| I28.23..3477 | Progress reports, Metallurgical Division : 33. Manganese and its alloys. | 1 |
| I 28.23:3478 |
Dust produced by drilling when water is sprayed on the outside of the drill steel / Dust produced by drilling when water is sprayed on outside of drill steel. |
2 |
