EBD I28.23-2058.D
|
Destruction of coal mines and steel plants of northern France |
1 |
EBD I28.23-2059.D
|
Standardization and systematization of mining practice |
1 |
EBD I28.23-2060.D
|
Blasting accidents from missed holes |
1 |
EBD I28.23-2061.D
|
Relation of Bureau of Mines to oil industry |
1 |
EBD I28.23-2064.D
|
Use of magnesia cement as protection for mine timbers |
1 |
EBD I28.23-2065.D
|
Permeability of oxygen breathing apparatus to gasoline vapors |
1 |
EBD I28.23-2066.D
|
Fire caused in metal mine by blasting |
1 |
EBD I28.23-2068.D
|
Iron and copper |
1 |
EBD I28.23-2069.D
|
Mining conditions in Rocky Mountain States |
1 |
EBD I28.23-2070.D
|
Physical examination of hoisting engineers in Utah |
1 |
EBD I28.23-2071.D
|
Arsenic |
1 |
EBD I28.23-2072.D
|
Physical effects of pneumatic tools on limestone workers |
1 |
EBD I28.23-2073.D
|
Duties of petroleum production engineer |
1 |
EBD I28.23-2074.D
|
Cooperative petroleum work in Wyoming |
1 |
EBD I28.23-2076.D
|
Abrasives |
1 |
EBD I28.23-2077.D
|
Conditions in European phosphate market |
1 |
EBD I28.23-2080.D
|
Barytes |
1 |
EBD I28.23-2081.D
|
Gold and silver |
1 |
EBD I28.23-2082.D
|
Electric sparking in mines from lightning |
1 |
EBD I28.23-2084.D
|
Motor gasoline situation |
1 |