|
EBD C22.3-255
|
Investigations of preparation and use of lignite, 1918-1925 |
1 |
|
EBD C22.3-256
|
Garnet its mining, milling, and utilization. |
1 |
|
EBD C22.3-257
|
Review of safety and health conditions in mines at Butte |
1 |
|
EBD C22.3-258
|
Suggestions for design of electrical accessories for permissible mining equipment |
1 |
|
EBD C22.3-259
|
Placer-mining methods and costs in Alaska |
1 |
|
EBD C22.3-260
|
Ferric sulphate-sulphuric acid process; with chapter on producing small bubbles of gas in liquids by submerged orifices |
1 |
|
EBD C22.3-261
|
Resistance of metal-mine airways |
1 |
|
EBD C22.3-262
|
Underground limestone mining |
1 |
|
EBD C22.3-265
|
Leakage from high-pressure natural-gas transmission lines |
1 |
|
EBD C22.3-266
|
Technology and uses of silica and sand |
1 |
|
EBD C22.3-267
|
Acid processes for extraction of alumina |
1 |
|
EBD C22.3-268
|
Coal-dust explosion tests in experimental mine, 1919 to 1924, inclusive |
1 |
|
EBD C22.3-269
|
Quarry problems in lime industry |
1 |
|
EBD C22.3-270
|
Production of sponge iron |
1 |
|
EBD C22.3-271
|
Problems in firing of refractories |
1 |
|
EBD C22.3-272
|
Safeguarding workmen at oil derricks |
1 |
|
EBD C22.3-273
|
Drilling and blasting in open-cut copper mines |
1 |
|
EBD C22.3-274
|
Potash mining in Germany and France |
1 |
|
EBD C22.3-276
|
Five hundred tests of various coals in house-heating boilers |
1 |
|
EBD C22.3-277
|
Safety in coal mining handbook. |
1 |
