EBD C22.11-6140
|
Mining laws of Bolivia |
1 |
EBD C22.11-6141
|
Tentative method for making resistivity measurement of drill cores and hand specimens of rocks and ores |
1 |
EBD C22.11-6142
|
Mineral wool |
1 |
EBD C22.11-6144
|
Gas explosion in rock-dusted mine |
1 |
EBD C22.11-6145
|
Mining methods at Minas de Matahambre, Matahambre, Pinar del Rio, Cuba |
1 |
EBD C22.11-6146
|
Safeguarding electrical equipment used in gassy mines |
1 |
EBD C22.11-6147
|
Hazards in use of delay-action detonators in coal mines |
1 |
EBD C22.11-6148
|
Selected bibliography of minerals and their identification |
1 |
EBD C22.11-6149
|
Mining methods of Tennessee Copper Company, Ducktown, Tenn |
1 |
EBD C22.11-6150
|
Mining methods and costs in Waco district |
1 |
EBD C22.11-6151
|
Method and cost of mining Upper and Lower Freeports and Lower Kittanning in group of mines in western central Pennsylvania |
1 |
EBD C22.11-6152
|
Method and cost of mining Thick Freeport coal in western Pennsylvania mine |
1 |
EBD C22.11-6153
|
Safety in mines as affected by first-aid and mine-rescue contests |
1 |
EBD C22.11-6155
|
Clay |
1 |
EBD C22.11-6156
|
Special features of core drilling in salt beds of western Texas and New Mexico |
1 |
EBD C22.11-6157
|
Marketing of gypsum products |
1 |
EBD C22.11-6158
|
Explosions and other accidents from mudcapped shots in coal mines |
1 |
EBD C22.11-6159
|
Method and cost of mining at Barr mine, Tri-State zinc and lead district |
1 |
EBD C22.11-6160
|
Method and cost of mining at No. 8 mine, St. Louis Smelting and Refining Company, Southeast Missouri district |
1 |
EBD C22.11-6161
|
Signaling from cages at rest or in motion |
1 |