EBD C22.5-528
|
Magnetic study of some iron deposits |
1 |
EBD C22.5-529
|
Analyses of Montana coals |
1 |
EBD C22.5-530
|
Accidents at metallurgical works in U.S. during calendar year ... |
1 |
EBD C22.5-531
|
Carbonizing properties and constitution of Black Creek bed coal from Empire mine, Walker County, Ala |
1 |
EBD C22.5-533
|
Statistical microscopic examination of mill products of Copper Queen Concentrator of Phelps Dodge Corporation, Bisbee, Ariz |
1 |
EBD C22.5-534
|
Falls of roof and coal in mines operating in Pittsburgh coal bed, Panhandle district, West Virginia |
1 |
EBD C22.5-535
|
Crater wells, Richland gas field, Louisiana |
1 |
EBD C22.5-536
|
Pneumatic tabling of coal effect of specific gravity, size, and shape. |
1 |
EBD C22.5-537
|
Maintenance of electrical mine equipment from viewpoint of safety inspector |
1 |
EBD C22.5-538
|
Survey of high-sulphur crude oils (black oils) produced in Wyoming |
1 |
EBD C22.5-539
|
Deviation of natural gas from Boyle's law |
1 |
EBD C22.5-540
|
Production of explosives in U.S. during calendar year (date), with notes on mine accidents due to explosives |
1 |
EBD C22.5-541
|
Study of mine roof of Pittsburgh coal bed in Pittsburgh mining district |
1 |
EBD C22.5-542
|
Carbonizing properties and constitution of Chilton bed coal from Boone No. 2 mine, Logan County, W.Va |
1 |
EBD C22.5-543
|
Comparison of small and large scale experimental carbonizing apparatus tests of Pittsburgh bed coal from Allison mine, Fayette County, Pa., and of coal from Michel mine, British Columbia. |
1 |
EBD C22.6-29
|
Misuse of flame safety lamps and dangers of mixed lights |
1 |
EBD C22.6-29 to C22.6-36
|
Miners' circulars |
1 |
EBD C22.6-30
|
Use of miners' self-rescuer |
1 |
EBD C22.6-31
|
Questions and answers on timbering bituminous coal mines |
1 |
EBD C22.6-32
|
Use of type N miners' gas mask |
1 |