|
EBD I28.23-2310.D
|
Growing need for preservation of mine timber |
1 |
|
EBD I28.23-2311.D
|
Conditions in feldspar industry |
1 |
|
EBD I28.23-2312.D
|
Low-temperature distillation of amalgams of bituminous noncoking coal and asphaltic oils |
1 |
|
EBD I28.23-2313.D
|
Solubility of oil shales in solvents for petroleum |
1 |
|
EBD I28.23-2314.D
|
Milling methods in Tri-State zinc district |
1 |
|
EBD I28.23-2315.D
|
Placer mining methods |
1 |
|
EBD I28.23-2318.D
|
Unsaturated hydrocarbon constituents of gas from destructive distillation of water-gas tar and coal mixture |
1 |
|
EBD I28.23-2319.D
|
Prevention of illness among miners |
1 |
|
EBD I28.23-2320.D
|
Performance of fan-pipe installations in metal mines |
1 |
|
EBD I28.23-2321.D
|
Mine timber preservation |
1 |
|
EBD I28.23-2322.D
|
Properties of typical crude oils from producing fields of Kansas |
1 |
|
EBD I28.23-2323.D
|
Smoke problem |
1 |
|
EBD I28.23-2324.D
|
Some factors affecting products from destructive distillation of oil shales |
1 |
|
EBD I28.23-2325.D
|
Fighting mine fire with its own gases |
1 |
|
EBD I28.23-2326.D
|
Platinum |
1 |
|
EBD I28.23-2327.D
|
Soapstone |
1 |
|
EBD I28.23-2329.D
|
Use of low-pressure gas burners in oil-field boilers |
1 |
|
EBD I28.23-2331.D
|
Water gas tar emulsions |
1 |
|
EBD I28.23-2332.D
|
Analytical distillations of typical shale oils |
1 |
|
EBD I28.23-2333.D
|
Epsomite |
1 |
