EBD C22.11-6468
|
Iceland spar and optical fluorite |
1 |
EBD C22.11-6469
|
Progress in metal mine ventilation |
1 |
EBD C22.11-6470
|
Mining methods and costs at Porcupine United Gold Mines' Rochester mine at Timmins, Ontario |
1 |
EBD C22.11-6471
|
Rubies and sapphires |
1 |
EBD C22.11-6472 to C22.11-6474
|
Quartz and silica |
1 |
EBD C22.11-6475
|
Rhenium (and masurium) |
1 |
EBD C22.11-6476
|
Milling methods and costs at Argonaut Mill, Jackson, Calif |
1 |
EBD C22.11-6477
|
Mining laws of Netherlands |
1 |
EBD C22.11-6479
|
Milling methods and costs at Arthur and Magna concentrators of Utah Copper Co |
1 |
EBD C22.11-6480
|
Tunnel driving methods used at Ojuela unit of Compania Minera de Penoles, S. A., Ojuela, Durango, Mexico |
1 |
EBD C22.11-6481
|
Organization plan of Holmes Safety Association |
1 |
EBD C22.11-6482
|
Chalk, whiting, and whiting substitutes |
1 |
EBD C22.11-6483
|
Significant features of wire-saw operation in Europe |
1 |
EBD C22.11-6484
|
State mine inspectors their appointment, qualifications, and remuneration. |
1 |
EBD C22.11-6486
|
Significance of solvent analysis as applied to coal |
1 |
EBD C22.11-6487
|
New signaling device for shaft mines with comments and suggested modifications |
1 |
EBD C22.11-6488
|
Methods and costs of milling feldspar at Minpro plant, Tennessee Mineral Products Corporation, Spruce Pine, N.C |
1 |
EBD C22.11-6489
|
Milling methods and costs at Verde Central concentrator, Jerome, Ariz |
1 |
EBD C22.11-6490
|
Mining methods of Kirkland Lake Gold-Mining Co. (Ltd.), at Kirkland Lake, Ontario |
1 |
EBD C22.11-6491
|
Turquoise |
1 |