|
I 28.3:164
|
Abstracts of current decisions on mines and mining, Reported September to December, 1917 |
1 |
|
I 28.3:166
|
A preliminary report on the mining districts of Idaho |
1 |
|
I 28.3:167
|
Coal-dust explosion tests in the experimental mine 1913-1918, inclusive |
1 |
|
I 28.3:168
|
Recovery of zinc from low-grade and complex ores |
1 |
|
I 28.3:169
|
Illinois mining statutes annotated |
1 |
|
I 28.3:172
|
Abstracts of current decisions on mines and mining, Reported January to May, 1918 |
1 |
|
I 28.3:173
|
Manganese: uses, preparation, mining costs and the production of ferro-alloys |
1 |
|
I 28.3:174
|
Abstracts of current decisions on mines and mining, Reported May to September, 1918 |
1 |
|
I 28.3:177
|
The decline and ultimate production of oil wells, with notes on the valuation of oil properties |
1 |
|
I 28.3:178C
|
Petroleum investigations and production of helium. Advance chapter from Bulletin 178, War work of the Bureau of mines |
1 |
|
I 28.3:179
|
Abstracts of current decisions on mines and mining, Reported September to December, 1918 |
1 |
|
I 28.3:181
|
Abstracts of current decisions on mines and mining, Reported January to May, 1919 |
1 |
|
I 28.3:183
|
Abstracts of current decisions on mines and mining, Reported May-August, 1919 |
1 |
|
I 28.3:184
|
The manufacture of sulphuric acid in the United States |
1 |
|
I 28.3:185
|
Pennsylvania mining statutes annotated |
1 |
|
I 28.3:186
|
Investigations of zirconium with especial reference to the metal and oxide. Historical review and bibliography |
1 |
|
I 28.3:187
|
Treatment of the tungsten ores of Boulder county, Colo |
1 |
|
I 28.3:188
|
Lessons from the Granite mountain shaft fire, Butte |
1 |
|
I 28.3:190
|
Coal-mining problems in the state of Washington |
1 |
|
I 28.3:195
|
Underground conditions in oil fields |
1 |