EBD C22.11-6194
|
Safety as affected by supervision and discipline |
1 |
EBD C22.11-6195
|
Notes on precautions to be taken when drilling oil or gas wells through workable coal beds or through mine workings |
1 |
EBD C22.11-6196
|
Physiological factors of mine ventilation |
1 |
EBD C22.11-6197
|
Mining laws of Portugal |
1 |
EBD C22.11-6198
|
Recommendations of Bureau of Mines on certain questions of mine safety |
1 |
EBD C22.11-6199
|
Mining laws of Portuguese possessions |
1 |
EBD C22.11-6201
|
Hazards from low or under voltage |
1 |
EBD C22.11-6202
|
Distillation-amalgamation methods for technical determination of mercury in ores |
1 |
EBD C22.11-6204
|
Survey of fuel-oil distribution, central U.S., 1928 |
1 |
EBD C22.11-6205
|
Mica Part I. General information. |
1 |
EBD C22.11-6206
|
Industrial gas masks abroad |
1 |
EBD C22.11-6207
|
Mining laws of Paraguay (1914) |
1 |
EBD C22.11-6208
|
Method and cost of mining Pittsburgh, or No. 8, coal bed in 100 per cent mechanized mine in eastern Ohio |
1 |
EBD C22.11-6210
|
Mining laws of Venezuela |
1 |
EBD C22.11-6211
|
Methods of some progressive mining companies in placing responsibility for mine accidents |
1 |
EBD C22.11-6212
|
Present-day knowledge of chemical composition of coal |
1 |
EBD C22.11-6213
|
Mining laws of Rumania |
1 |
EBD C22.11-6214
|
Mining laws of Honduras |
1 |
EBD C22.11-6215
|
Caesium, rubidium, and lithium |
1 |
EBD C22.11-6216
|
Mining laws of Peru |
1 |